video_id	date	series	event_no	event	category	confidence	verification	evidence_type	artifact	wayback_eligible	archive_target	follow_up
36gF6eiCsqU	2024-08-04	HLX Files #0	1	Voice actor résumé reveals the “Project White Sands” casting codename	Development state	Fact	needs follow-up — an archived copy of the résumé or casting listing, without identifying the individual, would confirm the “Project White Sands” name and its association with HLX.	resume	Voice actor résumé leak, reportedly written and posted by the actor’s agency, as described by Tyler.	yes	SRC-VID-36gF6eiCsqU (URL not recorded in summary)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	2	Former Valve employee résumé describes 2020–2023 work on an unannounced title	Development state	Fact	needs follow-up — an archived copy of the résumé or employment record would confirm the dates and described responsibilities.	resume	Résumé of a former Valve employee who left the company in 2023, as described by Tyler.	yes	SRC-VID-36gF6eiCsqU (URL not recorded in summary)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	3	Valve uses random cover codenames during casting	Development state	Mixed	unverified — casting records, agency listings, or datamined references for “Hot Dog,” “jameroquai,” and “Project White Sands” would corroborate the pattern.	build	Tyler’s comparison to previously reported Valve casting codenames and his inference about their purpose.	no	build snapshot required (see sources/README.md)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	4	HLX is a full non-VR Half-Life game, not an engine feature or save format	Development state	Speculation	needs follow-up — continued datamining of Source 2 builds and evidence of a playable project structure would confirm or refute the “full game” conclusion.	build	Tyler’s analysis of accumulated HLX datamines.	no	build snapshot required (see sources/README.md)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	5	HLX pre-production began before Alyx shipped and the codename surfaced in 2021	Development state	Mixed	needs follow-up — 2021 Source 2 datamine references and Valve production timelines would confirm the pre-production date.	build	2021 HLX datamine discovery and Tyler’s reconstruction of the Half-Life: Alyx timeline.	no	build snapshot required (see sources/README.md)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	6	Robin Walker’s Alyx team moved to the next major single-player title	Development state	Mixed	needs follow-up — the 2020 Geoff Keighley piece would confirm the “Wilderness” quote; staffing and project assignments would confirm the HLX link.	press	Tyler’s account of a 2020 statement by Robin Walker’s team to Geoff Keighley.	yes	SRC-VID-36gF6eiCsqU (URL not recorded in summary)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	7	Source 2 features previously attributed to Deadlock are reassigned	Development state	Mixed	needs follow-up — comparing Deadlock build strings and depots with Source 2 updates and archived Half-Life references would confirm the removal and reassignment.	build	Tyler’s play of the Deadlock build and datamined Source 2 project files.	no	build snapshot required (see sources/README.md)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	8	Dota 2 and Counter-Strike 2 strings reference an HEV suit and “offworld”	Gameplay	Fact	needs follow-up — searching current Dota 2 and Counter-Strike 2 game files for “offworld” and HEV-related strings would confirm; the transcript gives no file paths or build numbers.	build	Datamined strings from Dota 2 and Counter-Strike 2.	no	build snapshot required (see sources/README.md)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	9	Offworld strings mention workers, “STS,” “pentat tanks,” and feral manhacks	Gameplay	Fact	needs follow-up — locating the exact string tokens in Dota 2 and Counter-Strike 2 files would confirm the names, which may differ from the auto-transcript.	build	Datamined strings from Dota 2 and Counter-Strike 2.	no	build snapshot required (see sources/README.md)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	10	Xen gorillas and cut Xen fauna are in development	Lore	Mixed	needs follow-up — Alyx asset references to Xen gorillas, swoopers, and jellyfish plus current Source 2 build strings would confirm; active development status is harder to establish.	build	Half-Life: Alyx “zoo” level content and datamined Source 2 project updates.	no	build snapshot required (see sources/README.md)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	11	Detailed drivable vehicle simulation	Gameplay	Fact	needs follow-up — vehicle-simulation code or strings in current Source 2 depots, plus any HLX map or entity references, would confirm.	build	Datamined Source 2 project updates.	no	build snapshot required (see sources/README.md)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	12	Single-player, cooperative, or both remains unknown	Gameplay	Unclear	unverified — an official announcement or a reliable datamine of game-mode and player entities would resolve it.	build	Tyler’s statement of uncertainty; no artifact cited.	no	build snapshot required (see sources/README.md)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	13	Development pace suggests completion is approaching	Release date	Mixed	needs follow-up — longitudinal comparison of Source 2 depots and build activity would test the trend; no release date is given.	build	Tyler’s inference from datamined Source 2 architecture trends.	no	build snapshot required (see sources/README.md)	yes
36gF6eiCsqU	2024-08-04	HLX Files #0	14	HLX could be Half-Life 3	Development state	Speculation	needs follow-up — an official Valve announcement, store listing, or unambiguous shipping build would confirm or refute it.	build	Tyler’s inference from the HLX datamines and the Project White Sands leak.	no	build snapshot required (see sources/README.md)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	1	Half-Life 2 20th-anniversary testing branch	Development state	Fact	needs follow-up — confirm the existence and contents of the new Half-Life 2 testing branch in Steam depot/branch records and whether any build was pushed.	build	Steam branch tracking observed by Tyler (comparable to the SteamDB branch tracking he cites for Half-Life 1).	no	build snapshot required (see sources/README.md)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	2	Half-Life 1 25th-anniversary testing branches (recap)	Release date	Fact	verified — the November 2023 Half-Life anniversary update and its contents are publicly documented.	build	SteamDB tracking of Half-Life 1 test branches and the November 2023 Half-Life anniversary update.	no	build snapshot required (see sources/README.md)	no
FNNZUjkN3Qg	2024-08-25	HLX Files #1	3	Half-Life 25th-anniversary cut content and Noclip documentary (recap)	Marketing	Fact	verified — both releases are publicly available.	press	Official Valve anniversary releases and the Noclip documentary.	yes	SRC-VID-FNNZUjkN3Qg (URL not recorded in summary)	no
FNNZUjkN3Qg	2024-08-25	HLX Files #1	4	Anniversary as a possible franchise-tease date	Release date	Speculation	unverified — would require an official Valve announcement or a shipping build.	build	Tyler's inference from HLX development tracking and community speculation.	no	build snapshot required (see sources/README.md)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	5	Pyro's claim of two unannounced Valve games	Other	Mixed	unverified — would require corroborating evidence of two additional Valve projects or an on-record source.	community	Pyro's reaction video to Tyler's prior HLX video, plus Tyler's own follow-up conversations with sources.	yes	SRC-VID-FNNZUjkN3Qg (URL not recorded in summary)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	6	Deckard VR headset still in production	Hardware	Mixed	needs follow-up — would be confirmed by import/transport records, certification filings, or an official Valve statement.	community	Tyler's sourcing conversations following Pyro's claim; no named document or datamine cited.	yes	SRC-VID-FNNZUjkN3Qg (URL not recorded in summary)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	7	HLX is not a VR game	Development state	Mixed	unverified — would require HLX build or configuration evidence showing no VR/OpenVR requirements.	build	Tyler's accumulated datamining of HLX-related code and his prior video.	no	build snapshot required (see sources/README.md)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	8	Expectation of a Deckard showcase game	Hardware	Speculation	unverified — would require a Valve VR title announcement or Deckard launch lineup.	other	Tyler's inference from the Deckard's continued development and the Half-Life Alyx/Index precedent.	no	SRC-VID-FNNZUjkN3Qg	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	9	Asymmetric Half-Life VR/PC multiplayer rumor	Gameplay	Speculation	unverified — no primary evidence presented; would require project documentation or an official reveal.	build	Long-circulating community rumor predating Half-Life Alyx's announcement; no document or datamine cited.	no	build snapshot required (see sources/README.md)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	10	Half-Life Alyx team said to be deep in Half-Life development	Development state	Mixed	needs follow-up — the Newell quote is checkable; current team assignments are not.	press	Gabe Newell's public remarks after Half-Life Alyx's launch, plus Tyler's inference from continued team activity.	yes	SRC-VID-FNNZUjkN3Qg (URL not recorded in summary)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	11	Half-Life asset labeling conventions and build tools	Technology	Fact	needs follow-up — check Dota 2 build strings/configuration for an HLX entry in the external bug reporter mode list.	build	Datamine of Valve's shipped code/tools, specifically the latest Dota 2 update's external bug-reporting configuration.	no	build snapshot required (see sources/README.md)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	12	2024 Valve code datamining project split into series parts	Other	Fact	verified — the resulting HLX Files installments are themselves the evidence.	other	Tyler's own account of his datamining workflow.	no	SRC-VID-FNNZUjkN3Qg	no
FNNZUjkN3Qg	2024-08-25	HLX Files #1	13	Dota 2 Puppet Master and The International 2024 updates as an HLX datamining vector	Technology	Mixed	needs follow-up — compare Dota 2 and HLX build strings to confirm shared code and codename-based branch separation.	build	Dota 2 update release plus Tyler's analysis of Valve's shared engine codebase across branches.	no	build snapshot required (see sources/README.md)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	14	Valve removed and renamed strings after Tyler's previous video	Development state	Mixed	needs follow-up — diff the relevant HLX strings across consecutive builds to confirm the removals and renames.	build	Tyler's comparison of HLX-related strings across Valve builds before and after his prior video.	no	build snapshot required (see sources/README.md)	yes
FNNZUjkN3Qg	2024-08-25	HLX Files #1	15	No expected HLX or Half-Life 3 announcement in 2024	Release date	Speculation	unverified — would be refuted by any official 2024 announcement.	other	Tyler's inference from HLX's development progress.	no	SRC-VID-FNNZUjkN3Qg	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	1	Valve's simultaneous project load and roughly 300 staff	Development state	Speculation	needs follow-up — Valve headcount, project credits, and reporting on Counter-Strike 2 staffing would confirm or refute the breakdown.	other	Tyler's analysis of Valve's public project slate and approximate headcount.	no	SRC-VID-bv0sMeb2Vp4	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	2	Valve Deckard VR headset in development	Hardware	Mixed	needs follow-up — Valve hardware announcements, SteamVR datamines, or shipping records would confirm the product and its relationship to Steam Deck.	build	Tyler's summary of Valve hardware leaks and reporting; no artifact is cited.	no	build snapshot required (see sources/README.md)	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	3	Deadlock reaches Steam top 10 while still invite-only	Other	Mixed	needs follow-up — SteamDB or Steam concurrent-player charts for September 2024 plus the invite-only status would confirm the claim.	other	Tyler's reading of Steam charts during the invite-only period; no specific chart cited.	no	SRC-VID-bv0sMeb2Vp4	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	4	Deadlock began in 2018 and was rebooted from Neon Prime	Development state	Mixed	needs follow-up — datamined build strings, developer comments, or credits spanning Neon Prime and Deadlock would confirm the timeline and reboot.	build	Tyler's recap of prior Deadlock reporting and leaks; no build, document, or datamine is shown.	no	build snapshot required (see sources/README.md)	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	5	Valve's acqui-hire pattern and high turnover	Business/legal	Mixed	needs follow-up — game credits, LinkedIn histories, and departure announcements would confirm how many acquired developers remain at Valve.	resume	Tyler's analysis of Valve's public hiring history and staff departures.	yes	SRC-VID-bv0sMeb2Vp4 (URL not recorded in summary)	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	6	In the Valley of Gods is canceled despite its Steam page date	Development state	Mixed	needs follow-up — an official Valve or Campo Santo statement, or the Steam page's status, would confirm whether the project is formally canceled.	official	Tyler's assertion, contrasted with the public Steam store page date.	yes	SRC-VID-bv0sMeb2Vp4 (URL not recorded in summary)	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	7	Majority of Hopoo Games hired by Valve	Business/legal	Fact	needs follow-up — Hopoo Games' public announcement and Valve employee credits would confirm the hires and their roles.	official	Hopoo Games team announcement as reported the week before the video.	yes	SRC-VID-bv0sMeb2Vp4 (URL not recorded in summary)	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	8	"Hopoo's unannounced project ""Snail"" canceled"	Development state	Fact	needs follow-up — Hopoo's announcement and any subsequent statements about Snail's assets or technology.	official	Hopoo Games announcement as reported the week before the video.	yes	SRC-VID-bv0sMeb2Vp4 (URL not recorded in summary)	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	9	Hopoo hires expected to be split, mostly onto HLX	Development state	Speculation	needs follow-up — Valve credits and employee statements would show which projects the Hopoo hires joined.	other	Tyler's inference from Deadlock's team size and HLX staffing needs.	no	SRC-VID-bv0sMeb2Vp4	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	10	Hopoo staff likely at Valve only since early 2024	Business/legal	Speculation	needs follow-up — employment start dates on professional profiles or Valve credits.	other	Tyler's inference from Valve's observed hiring and announcement pattern.	no	SRC-VID-bv0sMeb2Vp4	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	11	HLX premise and spherical-gravity off-world segments	Gameplay	Mixed	needs follow-up — HLX map, entity, or level-script datamines showing spherical gravity and the named creatures.	build	Prior HLX leaks and datamines as recapped by Tyler; no artifact is shown.	no	build snapshot required (see sources/README.md)	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	12	Half-Life 3 is not open world	Gameplay	Mixed	needs follow-up — Gabe Follower's original wording and HLX level or map data would confirm the structure.	community	Tyler's correction of Gabe Follower's public open-world claim.	yes	SRC-VID-bv0sMeb2Vp4 (URL not recorded in summary)	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	13	Procedural generation inside level activities	Gameplay	Speculation	needs follow-up — HLX entity, script, or activity-system datamines would confirm what is proceduralized.	build	Tyler's description of HLX design from prior leaks; no artifact is shown.	no	build snapshot required (see sources/README.md)	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	14	Voxel-based destructible environments	Engine feature	Speculation	needs follow-up — Source 2 material, shader, or destruction-system datamines from HLX builds.	build	Tyler's description of HLX engine technology from prior leaks; no artifact is shown.	no	build snapshot required (see sources/README.md)	yes
bv0sMeb2Vp4	2024-09-12	HLX Files #2	15	"Valve's ""revolutionize everything"" bar for calling it Half-Life 3"	Development state	Speculation	unverified — an unfalsifiable expectation that could only be tested by the game's release and technical comparisons.	other	Tyler's opinion.	no	SRC-VID-bv0sMeb2Vp4	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	1	"Alleged 2015 Valve employee contact and ""post-human"" Gordon Freeman concept art"	Development state	Speculation	unverified — would require the concept art itself with file metadata, a named artist, or corroboration from a confirmed Valve source.	build	Tyler's account of a 2015 conversation with an anonymous person claiming to be a Valve employee; the concept art is described but not shown or cited to a file.	no	build snapshot required (see sources/README.md)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	2	Robotic arm powers, Aperture Science origin, and Portal testing-track opening	Gameplay	Speculation	unverified — no artifact, filename, or map name is given; corroboration would need concept art or level files.	build	Tyler's retelling of the 2015 anonymous-employee conversation.	no	build snapshot required (see sources/README.md)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	3	"Speculation that the arm concept relied on the ""Rubicon"" physics system in Source 2"	Engine feature	Speculation	"needs follow-up — Source 2 or HLX binaries/documentation referencing a ""Rubicon"" physics system would confirm the name and its thermodynamics scope."	build	"Tyler's recollection of community/industry speculation about a Source 2 physics system; no code, document, or datamine is cited for the term ""Rubicon."""	no	build snapshot required (see sources/README.md)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	4	Surface attributes return in a Deadlock update with flash points and heat conductivity	Engine feature	Fact	needs follow-up — identify the Deadlock build and the surface-property fields (flash point, heat conductivity) in its files to confirm the values and naming.	build	Datamine of a recent Deadlock update; no build number or file path is given in the video.	no	build snapshot required (see sources/README.md)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	5	Fuel attachment modifies surface properties, enabling interaction-dependent destruction	Engine feature	Mixed	needs follow-up — a Deadlock or HLX data dump showing fuel types overriding flash point/conductivity values would substantiate the mechanic.	build	Datamine of the Deadlock surface-attribute system, plus Tyler's comparison to the 2015 account.	no	build snapshot required (see sources/README.md)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	6	Vehicle simulation tied to surface attributes and wheel drag	Engine feature	Mixed	needs follow-up — vehicle entity/VData dumps showing surface-type-dependent drag parameters would confirm the coupling.	build	Tyler's analysis connecting Deadlock surface data to prior datamining of HLX vehicle simulation.	no	build snapshot required (see sources/README.md)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	7	Expanded surface interactions: blood, gasoline, soft-body contact, and decals	Engine feature	Fact	needs follow-up — file evidence for blood/gasoline surface attributes and decal-driven attribute modification would confirm the list.	build	Datamine of Deadlock surface/decal attribute data, as summarized by Tyler.	no	build snapshot required (see sources/README.md)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	8	Hair, lighting, and a rebuilt NPC behavior system	Engine feature	Unclear	needs follow-up — HLX material/shader and AI schedule dumps would substantiate the hair, lighting, and NPC behavior claims.	build	Tyler's summary of ongoing HLX research; no files or builds cited.	no	build snapshot required (see sources/README.md)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	9	NPC behavior keyed to held weapons and dynamically available weapons	Gameplay	Mixed	needs follow-up — HLX NPC weapon-selection logic and geometry-interaction code would confirm the extension.	other	Tyler's analysis of HLX AI/weapon systems compared with Half-Life 2 behavior.	no	SRC-VID-HWlRkzwHLwI	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	10	Dynamic propagation of ammo and resources through containers	Gameplay	Mixed	needs follow-up — item-spawn or loot-table data referencing player state and surface context would confirm the system.	build	Tyler's comparison to Half-Life: Alyx combined with his datamine-based description of HLX resource distribution.	no	build snapshot required (see sources/README.md)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	11	"The Final Hours quote on a 2013 project using ""proceduralism in concert with crafted experience"""	Development state	Mixed	needs follow-up — check the quotation against the published text of The Final Hours of Half-Life: Alyx.	other	"The Final Hours of Half-Life: Alyx by Geoff Keighley, quoted in the video; Tyler notes he is ""not entirely happy with the end result of"" the book but considers the quote important."	no	SRC-VID-HWlRkzwHLwI	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	12	Valve's impatience with Source 2 and work on proprietary voxel-style systems	Engine feature	Mixed	"needs follow-up — locating the corresponding Final Hours passage and clarifying whether the term is ""voxel"" would resolve the ambiguity."	other	Tyler's retelling, partly grounded in The Final Hours of Half-Life: Alyx; no separate artifact cited.	no	SRC-VID-HWlRkzwHLwI	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	13	David Speyrer said to still be working on HLX in 2024	Development state	Speculation	unverified — a current Valve credit, profile, or statement naming Speyrer on the project would confirm it.	resume	Tyler's assertion; no LinkedIn page or other document is referenced for this specific claim.	yes	SRC-VID-HWlRkzwHLwI (URL not recorded in summary)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	14	2021–2023 hiring wave from id Software, Sucker Punch, MachineGames, Insomniac, and Naughty Dog	Development state	Mixed	needs follow-up — named profiles with studio histories and Valve start dates would allow the hiring claim to be checked.	resume	LinkedIn profiles of Valve employees, as reviewed by Tyler.	yes	SRC-VID-HWlRkzwHLwI (URL not recorded in summary)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	15	Creator of the Half-Life: Caged mod said to have returned to Valve	Development state	Speculation	needs follow-up — identifying the mod author and a current Valve credit or profile would confirm or refute the return.	other	Tyler's claim, referencing the Half-Life: Caged mod's history; no artifact cited for the rehire.	no	SRC-VID-HWlRkzwHLwI	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	16	LinkedIn profile: prototypes for an unannounced project, AI, player mechanics, and puzzles	Development state	Fact	needs follow-up — locating the profile would confirm the exact wording and employment dates.	resume	LinkedIn profile of a level designer employed at Valve 2021–2023, quoted by Tyler.	yes	SRC-VID-HWlRkzwHLwI (URL not recorded in summary)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	17	LinkedIn profile: October 2023 lighting and character-background hire	Development state	Fact	needs follow-up — the profile itself would confirm the quotation and dates.	resume	LinkedIn profile of a hire dated October 2023, quoted by Tyler.	yes	SRC-VID-HWlRkzwHLwI (URL not recorded in summary)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	18	Restatement of the first HLX video's 2020–2023 level design claim	Development state	Mixed	needs follow-up — the original source's identity and any documentation of that 2020–2023 work would be needed.	resume	Tyler comparing new LinkedIn profile material with the source cited in his first HLX video.	yes	SRC-VID-HWlRkzwHLwI (URL not recorded in summary)	yes
HWlRkzwHLwI	2024-10-16	HLX Files #4	19	Production cadence, house move, and plans for live datamining streams	Other	Fact	needs follow-up — subsequent uploads and stream announcements would show whether the stated cadence and live-datamining plans were carried out.	other	Tyler's own statements in the video; no external document.	no	SRC-VID-HWlRkzwHLwI	yes
yQSdohLVa20	2024-11-22	HLX Files #5	1	HLX still in production despite other Valve projects	Development state	Speculation	needs follow-up — would require continued appearance of HLX assets in shipping builds or an official Valve statement.	build	Tyler's analysis of Valve's release cadence and datamined content across Dota 2, Deadlock, and CS2.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	2	Burning-point and melting-point surface simulation	Engine feature	Mixed	needs follow-up — would require locating the specific fuel/burning-point keys in a shipping build.	build	Datamined Source 2 / Dota 2 content referenced by Tyler.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	3	Shared environments as pseudo level streaming	Engine feature	Mixed	needs follow-up — would require the relevant map/entity keys and a demonstration of the streaming behavior.	build	Datamine of Source 2 content; Tyler's technical explanation.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	4	Hopping distance and turning parameters for entities	Gameplay	Mixed	needs follow-up — would require the entity schema showing per-entity hopping-distance overrides.	build	Datamine of a recent Dota 2 update.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	5	NPC sound types expanded beyond Half-Life 2	Gameplay	Fact	"needs follow-up — would require the sound-type enum/key list in a shipping build to confirm ""warning friends"" and ""food."""	build	Datamine of Source 2 NPC sound-type definitions.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	6	NPC standoff behavior keyed to entity relationships	Gameplay	Mixed	needs follow-up — would require the relationship/standoff key values and the NPC type list they reference.	build	Datamine of Source 2 NPC AI parameters.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	7	New `Point Orient` entity in the latest Dota 2 update	Gameplay	Fact	needs follow-up — would require the `Point Orient` entity definition and its input/key list in the Dota 2 build.	build	Datamine of the latest Dota 2 update.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	8	Additional simulations: fog color, wind speed, wheel constraints, dynamic props	Engine feature	Mixed	needs follow-up — would require the corresponding console variables, entity keys, or constraint classes.	build	Datamine of Source 2 / Dota 2 content.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	9	Shotgun sound added to the Source 2 core	Technology	Mixed	needs follow-up — would require locating the sound asset in the Source 2 core content and comparing it with the Half-Life: Alyx shotgun.	build	Datamine of a Dota 2 update's Source 2 core assets.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	10	Arty `.h` build files shipped in a Dota 2 update	Development state	Fact	needs follow-up — would require enumerating the `.h` files in the Dota 2 depot and confirming their Arty-related contents.	build	Datamine of the latest Dota 2 update's shipped files.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	11	Background on the cancelled Arty project	Development state	Mixed	needs follow-up — would require cross-checking the `.h` file contents against the Final Hours descriptions.	build	The Final Hours of Half-Life: Alyx plus the newly datamined Arty `.h` files.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	12	HLX to feature voxel-based destruction; Source 2 voxel work reassigned from Neon Prime	Gameplay	Speculation	needs follow-up — would require HLX-specific voxel destruction code or assets, not shared engine tech.	build	Tyler's inference from Source 2 voxel code and the Arty file leak.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	13	Arty systems ported into HLX	Development state	Mixed	needs follow-up — would require tracing specific classes from the Arty files into HLX-tagged Source 2 modules.	build	Datamine of Arty `.h` files shipped in a Dota 2 update.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	14	Physical fidelity, immersive-sim elements, and open-linear structure	Gameplay	Speculation	needs follow-up — would require map/level structure data or official material showing the quest and side-level systems.	build	Tyler's analysis of datamined systems and prior HLX reporting.	no	build snapshot required (see sources/README.md)	yes
yQSdohLVa20	2024-11-22	HLX Files #5	15	Hardware expectations and Steam Deck viability	Hardware	Speculation	needs follow-up — would require official system requirements or a Steam Deck compatibility rating.	other	Tyler's inference from Valve's historical performance record and the Steam Deck.	no	SRC-VID-yQSdohLVa20	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	1	Game Awards 2024 announcement rumors	Marketing	Speculation	unverified — would require the actual Game Awards 2024 announcements and Schreier's reporting to compare.	other	Tyler's commentary on reporting attributed to Jason Schreier and on the Game Awards lineup.	no	SRC-VID-f9cLbSumFO4	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	2	Pulse scripting system and VPulse files	Engine feature	Mixed	needs follow-up — inspect Source 2/CS2/Dota 2 game files for VPulse assets and any editor tooling.	build	Tyler's account of Source 2 file datamining (VPulse files) and observation of Counter-Strike 2 and Dota 2.	no	build snapshot required (see sources/README.md)	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	3	Surface flammability attributes in Deadlock localization strings	Technology	Fact	needs follow-up — search the Deadlock localization files for heat aura, burn damage, and instant ignition keys.	build	Datamine of the latest Deadlock update localization strings.	no	build snapshot required (see sources/README.md)	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	4	Universal material coating and ignition system	Gameplay	Speculation	unverified — would need in-game demonstration or additional datamined code showing coating propagation.	build	Tyler's inference from the Deadlock surface-attribute strings and Source 2 physics capabilities.	no	build snapshot required (see sources/README.md)	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	5	Underwater and zero-gravity movement icons	Engine feature	Fact	needs follow-up — locate the underwater and space-flight icons in Deadlock tool assets.	build	Datamine of the latest Deadlock update editor tool icons.	no	build snapshot required (see sources/README.md)	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	6	Hair shader and hair-dye parameters	Engine feature	Fact	needs follow-up — check Deadlock shader files and commands for strand vertex/segment and hair-dye color parameters.	build	Datamine of Deadlock update shader and console/parameter data.	no	build snapshot required (see sources/README.md)	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	7	Animgraphs on AI-controlled vehicles	Technology	Mixed	needs follow-up — inspect vehicle entity definitions for animgraph attachment fields.	build	Datamine of Deadlock update files, as described by Tyler.	no	build snapshot required (see sources/README.md)	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	8	Gabe Follower's Pastebin datamine and simulated wind	Technology	Mixed	needs follow-up — review the Pastebin datamine and any pressure/air-flow entities in the files.	build	Pastebin datamine published by Gabe Follower (Maxim), compared against Tyler's notes.	no	build snapshot required (see sources/README.md)	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	9	Destructive NPCs with detachable body parts	Gameplay	Mixed	needs follow-up — find NPC body-part damage and behavior-state entries in the datamine or game files.	build	Gabe Follower Pastebin datamine, as relayed by Tyler.	no	build snapshot required (see sources/README.md)	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	10	Material plasticity and elasticity simulation	Technology	Mixed	needs follow-up — check for plasticity/elasticity material parameters and tire-friction fluid interaction code.	build	Gabe Follower Pastebin datamine plus Tyler's inference about Source 2 mesh-based geometry.	no	build snapshot required (see sources/README.md)	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	11	Voxel-based destruction and mesh deformation speculation	Engine feature	Speculation	unverified — no artifact shown for voxel destruction or a Steam Deck build.	build	Tyler's analysis of Source 2 architecture and prior community speculation about voxel destruction.	no	build snapshot required (see sources/README.md)	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	12	NPC behavior and mood system from older leaks	Gameplay	Fact	needs follow-up — locate the original Alyx-era leak containing NPC mood and behavior definitions.	other	Older leaked Valve files associated with Half-Life: Alyx, Underlords, and Artifact.	no	SRC-VID-f9cLbSumFO4	yes
f9cLbSumFO4	2024-12-11	HLX Files #6	13	Game Awards 2019 Half-Life: Alyx promise to Geoff Keighley	Marketing	Mixed	needs follow-up — check 2019 Game Awards coverage for the announced-then-withdrawn Alyx gameplay.	other	Tyler's recollection of the 2019 Game Awards and his inference about Valve's relationship with Geoff Keighley.	no	SRC-VID-f9cLbSumFO4	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	1	Galileo firmware datamine and proximity-sensing power button	Hardware	Fact	needs follow-up — check archived Steam Deck firmware and the evav mirror for Galileo identifiers and the proximity power-button implementation.	build	"Datamine of Steam Deck firmware by Brad Lynch and ""Fox."""	no	build snapshot required (see sources/README.md)	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	2	Valve patent for a touch- and proximity-sensing power button	Hardware	Fact	needs follow-up — locate the patent by applicant Valve and by power-button/proximity-sensing claims to confirm inventor and date.	other	Valve patent filing, as described by Tyler.	no	SRC-VID-u0qd-T1Z8fI	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	3	Valve employee's photos of a box with the same power button	Hardware	Fact	needs follow-up — locate the original posts and confirm the device and the power-button detail.	other	Photographs and videos posted by Valve hardware team member Jeff Keeley.	no	SRC-VID-u0qd-T1Z8fI	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	4	Galileo reinterpreted as a TV console rather than a VR streaming box	Hardware	Speculation	needs follow-up — additional firmware or commit evidence linking Galileo to television output rather than VR streaming.	build	Tyler's analysis of the Galileo firmware datamine.	no	build snapshot required (see sources/README.md)	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	5	"Fremont hardware and the AMD ""Lilac"" APU"	Hardware	Fact	needs follow-up — PCI IDs, kernel patches, or benchmark entries identifying Lilac's architecture and specifications.	build	Datamine of the evav mirror of Valve's SteamOS and Steam Deck GitLab repositories.	no	build snapshot required (see sources/README.md)	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	6	"Pre-Steam Deck testing on the AMD ""Picasso"" APU"	Hardware	Fact	needs follow-up — locate the original Picasso test-board references in Valve-linked repositories or driver patches.	build	Known historical references from Steam Deck-era hardware datamining, as described by Tyler.	no	build snapshot required (see sources/README.md)	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	7	"The ""evav"" Valve repository mirror as a datamining source"	Technology	Fact	needs follow-up — inspect the evav repository and its commit log directly for the cited changes.	other	The evav mirror's own description and commit history.	no	SRC-VID-u0qd-T1Z8fI	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	8	"QA testing by ""Quant Computing"" on the F7F board"	Development state	Fact	needs follow-up — check the commit authors and messages in evav, and confirm the company name.	other	Commit and debug-change entries in the evav mirror.	no	SRC-VID-u0qd-T1Z8fI	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	9	Fremont prototype board F7F and the F7A/F7G codename sequence	Hardware	Fact	needs follow-up — confirm the F7A/F7G/F7F identifiers and the roughly four-week-old commit in the evav history.	build	Datamined board codenames and file history in the evav mirror.	no	build snapshot required (see sources/README.md)	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	10	Full-sized HDMI-A port on the Fremont device	Hardware	Fact	needs follow-up — read the underlying commit text and confirm the HDMI-A reference.	build	Datamined Fremont file in the evav mirror.	no	build snapshot required (see sources/README.md)	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	11	"""Updating CEC endpoint for Fremont"" commit"	Hardware	Fact	needs follow-up — locate the commit and identify the actual embedded-controller name and firmware target.	other	Commit message in the evav mirror.	no	SRC-VID-u0qd-T1Z8fI	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	12	Fremont summarized as a powerful SteamOS console	Hardware	Mixed	needs follow-up — official Valve announcement or further datamined references to a console form factor and retail configuration.	build	Datamined evav commits plus Tyler's synthesis.	no	build snapshot required (see sources/README.md)	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	13	"Expected use of the leaked ""big ass"" Steam controller"	Hardware	Speculation	needs follow-up — a Valve announcement or shipping documentation pairing Fremont with the leaked controller.	build	Tyler's inference from the prior controller leak and the Fremont datamine.	no	build snapshot required (see sources/README.md)	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	14	Steam Universe ambition from GDC 2015	Business/legal	Mixed	needs follow-up — Valve's 2015 GDC materials for the historical claim; no artifact supports the forward-looking assessment.	other	Tyler's analysis, referencing Valve's 2015 GDC Steam Universe announcement.	no	SRC-VID-u0qd-T1Z8fI	yes
u0qd-T1Z8fI	2024-12-20	HLX Files Gaiden	15	Assumed cross-compatibility between Steam devices	Technology	Speculation	needs follow-up — Valve documentation or datamined references to cross-device pairing and streaming between Fremont, Deckard, and Steam Deck.	build	Tyler's inference.	no	build snapshot required (see sources/README.md)	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	1	Mike Shapiro posts a new in-character G-Man New Year message	Other	Fact	verified — the public post and its date can be checked directly on Shapiro's X account.	official	Mike Shapiro's X/Twitter post of 31 December 2024, quoted in the video.	yes	SRC-VID-TyrlxYsMHYg (URL not recorded in summary)	no
TyrlxYsMHYg	2025-01-01	HLX Files #7	2	Shapiro's account was dormant since a December 2020 VR Game of the Year post	Other	Fact	verified — the timeline gap can be checked on the account.	official	Shapiro's X/Twitter timeline as described by Tyler.	yes	SRC-VID-TyrlxYsMHYg (URL not recorded in summary)	no
TyrlxYsMHYg	2025-01-01	HLX Files #7	3	Tyler declines to interpret the G-Man post	Other	Fact	verified — the statement is in the transcript itself.	other	Tyler's on-camera commentary.	no	SRC-VID-TyrlxYsMHYg	no
TyrlxYsMHYg	2025-01-01	HLX Files #7	4	External play testing phase reported by a colleague's HLX video	Development state	Mixed	needs follow-up — locate the colleague's video and any underlying evidence (build branches, tester listings, datamined strings).	build	An unnamed colleague's HLX video published days before this one, as described by Tyler.	no	build snapshot required (see sources/README.md)	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	5	Valve's testing pipeline and the late external-testing phase	Development state	Speculation	unverified — would require Valve statements on play-testing practice or documented case studies.	other	Tyler's analysis of Valve's development history.	no	SRC-VID-TyrlxYsMHYg	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	6	Half-Life: Alyx's story was rewritten from scratch late in development	Development state	Speculation	needs follow-up — Valve interviews and Half-Life: Alyx developer commentary document the story rewrite and the return of Wolpaw and Pinkerton.	press	Tyler's account of Half-Life: Alyx's development.	yes	SRC-VID-TyrlxYsMHYg (URL not recorded in summary)	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	7	Holiday break as a point where projects are cancelled	Development state	Speculation	unverified — would require sourcing on the status and timing of the named projects.	other	Tyler's analysis of Valve's cancelled projects.	no	SRC-VID-TyrlxYsMHYg	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	8	Survival signal: datamining CS2, Deadlock, and Dota 2 updates	Development state	Speculation	needs follow-up — check post-holiday updates to CS2, Deadlock, and Dota 2 for HLX references.	other	Tyler's analysis and datamining methodology.	no	SRC-VID-TyrlxYsMHYg	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	9	Documentary cited as implying Valve is still working on Half-Life	Development state	Mixed	needs follow-up — identify the documentary and check whether it contains an explicit statement about a third game.	press	"An unnamed Valve documentary referenced only as ""the documentary,"" interpreted by Tyler."	yes	SRC-VID-TyrlxYsMHYg (URL not recorded in summary)	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	10	"HLX framed as a ""retirement project"" for senior Valve staff"	Development state	Speculation	unverified — internal motivations are unlikely to be confirmable publicly.	other	Tyler's analysis of Valve's internal culture.	no	SRC-VID-TyrlxYsMHYg	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	11	Announcement window: end of 2025, or 2026 if rework is needed	Release date	Speculation	needs follow-up — time will confirm or refute it; watch for a Valve announcement in 2025.	other	Tyler's inference from the reported external play-testing phase.	no	SRC-VID-TyrlxYsMHYg	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	12	Deadlock's Neon Prime reboot as a precedent for late overhaul	Development state	Speculation	needs follow-up — public reporting and datamined builds document the Neon Prime-to-Deadlock transition.	build	Tyler's analysis, referencing Deadlock's earlier Neon Prime name.	no	build snapshot required (see sources/README.md)	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	13	Assumed arctic setting and the search for the Borealis	Lore	Mixed	unverified — would be corroborated by datamined map, material, or entity names referencing arctic environments.	build	Tyler's inference from Half-Life 2: Episode Two's ending.	no	build snapshot required (see sources/README.md)	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	14	Lombardi statement on the gap between Episode Two and Episode Three	Release date	Mixed	needs follow-up — locate the original interview or statement to establish wording and context.	press	A statement attributed to Lombardi, cited secondhand without a date or publication.	yes	SRC-VID-TyrlxYsMHYg (URL not recorded in summary)	yes
TyrlxYsMHYg	2025-01-01	HLX Files #7	15	Speculative sequel scenario: an adult Alyx and Gordon's child	Lore	Speculation	unverified — no evidentiary basis is offered.	other	Tyler's improvised speculation.	no	SRC-VID-TyrlxYsMHYg	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	1	HLX is in a very late stage and already being tested by third-party players	Development state	Speculation	unverified — would require a build/branch datamine, a tester account, or an official Valve statement; nothing checkable is cited.	build	Tyler's assertion, framed as his own long-running tracking of HLX since it was first discovered in 2021.	no	build snapshot required (see sources/README.md)	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	2	No significant Source 2 engine changes since the holidays	Engine feature	Speculation	needs follow-up — would require SteamDB/depot or engine-branch commit history for the holiday period.	build	Tyler's own reading of Source 2 activity; no specific depot or build is named.	no	build snapshot required (see sources/README.md)	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	3	"Valve is not running an ""ARG 197"" for HLX"	Marketing	Speculation	unverified — a negative claim; would be supported by an official Valve denial or by the absence of any confirmed ARG artifact.	other	Tyler's analysis and his stated familiarity with Valve's announcement behavior; he also says he contacted Mike Shapiro directly.	no	SRC-VID-3f20EdGSxwQ	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	4	"The ""197"" pattern around Mike Shapiro's New Year greeting"	Marketing	Mixed	needs follow-up — check the original tweet date and image, track durations and release dates on Shapiro's releases, and the Episode Two license-plate texture.	official	Mike Shapiro's Twitter New Year post and his published discography; Half-Life 2: Episode Two game assets; community compilation summarized by Tyler.	yes	SRC-VID-3f20EdGSxwQ (URL not recorded in summary)	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	5	Tyler's unanswered private message to Mike Shapiro	Other	Unclear	unverified — only Shapiro or Tyler's message history could confirm it.	other	Tyler's own account of his Twitter DMs.	no	SRC-VID-3f20EdGSxwQ	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	6	Valve announces projects by social media post, not ARG (Alyx precedent)	Marketing	Mixed	needs follow-up — the 2019 tweet is publicly checkable; the predictive half cannot be verified until Valve's next announcement.	official	Valve's public Half-Life: Alyx announcement on Twitter (November 2019), as recalled by Tyler; Tyler's inference about Valve's future behavior.	yes	SRC-VID-3f20EdGSxwQ (URL not recorded in summary)	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	7	"Steam page listing Deadlock plus one hidden game (the ""gift card"" false alarm)"	Business/legal	Mixed	needs follow-up — retrieve the PC Gamer article and the archived Steam page to confirm both the tags and the gift-card explanation.	press	Steam store page internal code inspected by community members; PC Gamer article; Tyler's explanation.	yes	SRC-VID-3f20EdGSxwQ (URL not recorded in summary)	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	8	"Counter-Strike 2 Train remake renamed a map point ""long dog"""	Other	Fact	"needs follow-up — inspect the CS2 Train map files or callout list for the ""long dog"" name."	build	Counter-Strike 2 Train map update (map callout/point name).	no	build snapshot required (see sources/README.md)	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	9	Precedent: the 2010 Portal 2 ARG	Marketing	Fact	needs follow-up — Portal ARG documentation and the decoded SSTV images are archived publicly.	build	Valve's 2010 Portal update and the Portal 2 ARG, as recounted by Tyler.	no	build snapshot required (see sources/README.md)	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	10	Precedent: the Potato Sack ARG and the Team Fortress 2 hat	Marketing	Fact	needs follow-up — contemporaneous press coverage and the TF2 hat item record.	other	The Potato Sack Steam bundle and its associated Portal 2 ARG, as recounted by Tyler.	no	SRC-VID-3f20EdGSxwQ	yes
3f20EdGSxwQ	2025-01-31	HLX Files #8	11	Closing speculation: Barney as sidekick while Alyx is captured	Lore	Speculation	unverified — would require story, script, or asset evidence from HLX.	other	Tyler's speculation.	no	SRC-VID-3f20EdGSxwQ	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	1	HLX survived the holiday break without a reboot	Development state	Mixed	"needs follow-up — the underlying Dota 2 build strings and file diffs would need to be re-examined; ""no reboot"" cannot be proven from engine strings alone."	build	Datamine of a major Dota 2 update, as described by Tyler.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	2	Two months without a major engine-level HLX update	Development state	Speculation	unverified — build/change history for December 2024 through February 2025 and any corroboration of play-test sessions would confirm the gap and the testing activity.	build	Tyler's tracking of HLX-related engine changes and of external play-testing reports.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	3	Valve's holiday-break reboot pattern as historical context	Development state	Speculation	unverified — Valve's own accounts (e.g., the Team Fortress 2 / Half-Life 2 development commentary) and former-employee statements would test the pattern.	other	"Tyler's retelling of Valve development history, including the ""TF2 Invasion"" account."	no	SRC-VID-_lGdUBMdQ94	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	4	Ten-hour datamine of a Dota 2 update found mostly minor engine changes	Technology	Fact	needs follow-up — the build diff itself would confirm the character of the changes; Tyler does not name the specific build number or update.	build	Tyler's own datamine of the Dota 2 update.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	5	AI processing scaled by distance from the player	Engine feature	Mixed	needs follow-up — the exact Source 2 convar or code path for distance-based AI throttling would confirm the mechanism and its app.	build	Datamine of the Dota 2 update, plus a screenshot circulating on social media.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	6	Production believed to be nearing completion; announcement possible in 2025	Release date	Mixed	needs follow-up — an official Valve announcement, store page, or rated listing would confirm; the rumor sourcing is not disclosed.	official	Tyler's inference from the Dota 2 datamine plus unspecified industry rumors.	yes	SRC-VID-_lGdUBMdQ94 (URL not recorded in summary)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	7	HLX described as a single-player first-person shooter with Barney Calhoun	Gameplay	Speculation	unverified — character, model, or voice-line references tied to Barney Calhoun in HLX builds would confirm.	build	Recap of Tyler's prior HLX coverage and datamined strings.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	8	Expanded physics: buoyancy, flammability, deformation, material weights	Engine feature	Speculation	needs follow-up — the specific Source 2 material/physics keyvalues for buoyancy, flammability, and deformation thresholds would confirm.	build	Recap of previously datamined Source 2 strings.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	9	Fluid simulation and fluid-driven surface state changes	Engine feature	Mixed	needs follow-up — fluid simulation entities and the Steam Audio / ray-traced audio surface-type string set in a specific build would confirm.	build	Recap of datamined Source 2 strings, plus strings Tyler reads aloud during the recording.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	10	NPC mood system driven by visual, auditory, and smell cues	Gameplay	Speculation	needs follow-up — AI state or mood enum strings and associated sensory-input parameters in a build would confirm.	build	Recap of previously datamined Source 2 / HLX strings.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	11	NPCs dynamically adjust nav meshes after destruction	Gameplay	Speculation	needs follow-up — nav-mesh regeneration code paths or entity I/O tied to destruction events would confirm.	build	Recap of previously datamined Source 2 strings.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	12	Voxel-based destruction now attributed to a different project	Development state	Speculation	needs follow-up — identifying which project's branch contains the voxel destruction strings would resolve the reassignment.	build	Tyler's reassessment of earlier datamined voxel destruction strings.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	13	Randomized entity placement on hand-crafted maps	Gameplay	Speculation	needs follow-up — spawn-group or entity-placement logic and difficulty/director-style entity names in a build would confirm.	build	Recap of datamined strings plus Tyler's inference from the Left 4 Dead Director design.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	14	Significant vehicle simulation, land and possibly water	Gameplay	Speculation	needs follow-up — vehicle entity definitions, wheel/suspension parameters, and buoyancy handling for watercraft in a build would confirm.	build	Recap of previously datamined Source 2 vehicle strings.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	15	February 25, 2025 Deadlock update: four lanes to three, three months of engine changes	Development state	Fact	verified — the Deadlock update and its map-lane change are publicly checkable.	build	The publicly shipped Deadlock update of February 25, 2025, as reported by Tyler and other dataminers.	no	build snapshot required (see sources/README.md)	no
_lGdUBMdQ94	2025-02-26	HLX Files #9	16	"""HLX FSR3"" string found in the Deadlock update"	Engine feature	Mixed	"needs follow-up — re-checking the Deadlock build's string table for ""HLX FSR3"" and the FSR3 DLL/plugin configuration would confirm the artifact; the ""nearly done"" reading would not be settled by the string alone."	build	Third-party datamine of the February 25, 2025 Deadlock update, described second-hand by Tyler.	no	build snapshot required (see sources/README.md)	yes
_lGdUBMdQ94	2025-02-26	HLX Files #9	17	Steam Audio and 3D ray-traced audio surface strings	Engine feature	Unclear	needs follow-up — locating these surface-type audio strings in a named build would establish provenance.	build	Strings Tyler reads aloud during the recording, apparently from ongoing datamining.	no	build snapshot required (see sources/README.md)	yes
-rs7LHtODh4	2025-04-08	One-off	1	halflife3.com registration and the Sierra/Prospero contract	Business/legal	Mixed	verified for the domain and contract; needs follow-up for the contract-conversion claim.	other	Domain registration records and the 2003 net-café lawsuit contract, as described by Tyler.	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	2	Gabe Newell rules out Half-Life 3 in 2003	Development state	Fact	verified — the named interview can be checked.	press	Trepid fan-site interview with Gabe Newell, June 13, 2003.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	3	"Game Reactor's ""Half-Life 3 world exclusive"""	Marketing	Fact	verified — the magazine and denial can be checked.	press	Game Reactor magazine, March 18, 2004, and Newell's later denial.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	4	Microsoft's Xbox 360 keynote lists Half-Life 3	Marketing	Fact	verified — the CVG report and slide image are named.	press	Microsoft Xbox 360 keynote slide, reported by CVG on August 1, 2005.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	5	Episode One press release promises a trilogy by Christmas 2007	Release date	Fact	verified.	official	Valve press release, May 24, 2006.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	6	"Eurogamer describes the episodes as ""Half-Life 3"""	Development state	Fact	verified; the printed year needs follow-up because the transcript says 2003.	press	Eurogamer interview with Gabe Newell and Erik Johnson, conducted by Tom Bramwell.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	yes
-rs7LHtODh4	2025-04-08	One-off	7	Game Informer: Episode Three ends the trilogy, not the franchise	Lore	Fact	verified.	press	Game Informer interview with Doug Lombardi, August 25, 2006.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	8	Valve Hardware Day shows Episode Three NPCs	Technology	Mixed	verified for the demo and entities; needs follow-up for the Episode Three assignment.	press	Leaked Source Particle Simulation build; Danny O'Dwyer documentary footage; XJR9000 repack.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	yes
-rs7LHtODh4	2025-04-08	One-off	9	PC Gamer's Arctic base theory for Episode Three	Lore	Fact	verified.	press	PC Gamer Episode Two preview, May 9, 2007.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	10	Eurogamer: Episode Three pre-production and no return to City 17	Development state	Fact	verified.	press	Eurogamer interview with Doug Lombardi and David Speyrer, May 17, 2007, by Tom Bramwell.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	11	Kikizo: Episode Three as a resolution	Lore	Fact	verified.	press	Kikizo interview with Gabe Newell, August 28, 2007.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	12	Games for Windows: Episode Three groundwork and the Orange Box reassignment	Development state	Fact	verified.	press	Games for Windows magazine Valve feature, December 2007.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	13	Games for Windows: Eli Vance stays dead; G-Man answers planned	Lore	Fact	verified.	press	Games for Windows magazine, December 2007.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	14	Source SDK update leaks three Episode Three files	Development state	Fact	verified.	build	Source SDK Orange Box update, April 21, 2008; Valve employee statement on the Steam forums.	no	build snapshot required (see sources/README.md)	no
-rs7LHtODh4	2025-04-08	One-off	15	E3 2008 exhibitor list includes Episode Three	Marketing	Fact	verified.	other	ESA E3 2008 game list; Valve's public denial.	no	SRC-VID--rs7LHtODh4	no
-rs7LHtODh4	2025-04-08	One-off	16	PC Gamer's Episode Three concept art and Into the Pixel	Marketing	Fact	verified.	press	PC Gamer, July 10, 2008; Into the Pixel 2008 gallery.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	17	Kikizo: the next Gordon game will take longer	Development state	Fact	verified.	press	Kikizo interview with Doug Lombardi, October 2008.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	18	Blue crowbar image traced to a 2004 film	Marketing	Mixed	needs follow-up — confirm the artist and the film frame.	community	Hidden Source forum post; Immortal (2004); Tyler's attribution.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	yes
-rs7LHtODh4	2025-04-08	One-off	19	"G4 interview: ""very good reasons"" for Episode Three silence"	Development state	Fact	verified.	press	G4 interview, June 11, 2009.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	20	"Steamcast: Episode Three as ""a victim of our willingness to experiment"""	Development state	Fact	verified.	press	Steamcast interview with Gabe Newell, August 12, 2009.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	21	"Edge retrospective: the last public ""Episode 3"" mention"	Lore	Mixed	needs follow-up — a complete search of Valve's public statements after March 2010.	press	Edge magazine retrospective, March 2010; Tyler's analysis of later public statements.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	yes
-rs7LHtODh4	2025-04-08	One-off	22	"Portal 2 event cancellation and the ""surprise"" hoax"	Marketing	Fact	verified.	other	Valve/Aperture Science cancellation notice, June 2, 2010; VG247; Half-Life 2.net email from Newell.	no	SRC-VID--rs7LHtODh4	no
-rs7LHtODh4	2025-04-08	One-off	23	"Alien Swarm tools expose the ""Blob"" entity"	Development state	Mixed	verified for the Blob node; needs follow-up for the Episode Three identification.	build	Alien Swarm SDK/tools, July 21, 2010.	no	build snapshot required (see sources/README.md)	yes
-rs7LHtODh4	2025-04-08	One-off	24	Episode Three snow textures recognized in Valve files	Development state	Mixed	needs follow-up — the specific texture files and their project attribution.	build	Community file analysis, as described by Tyler.	no	build snapshot required (see sources/README.md)	yes
-rs7LHtODh4	2025-04-08	One-off	25	The weaponizer was an Episode Three weapon	Development state	Mixed	needs follow-up — frame-by-frame identification of the weaponizer in the documentary.	press	PC Gamer interview, September 15, 2010; Noclip Half-Life documentary footage.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	yes
-rs7LHtODh4	2025-04-08	One-off	26	"Gabe Newell: ""The episodic model failed"""	Business/legal	Fact	verified.	press	Develop magazine interview, May 9, 2011.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	27	Portal 2 SDK leaks the Combine Adviser boss code	Development state	Mixed	verified for the code; needs follow-up for the boss-fight design.	build	Portal 2 SDK beta files, May 2011.	no	build snapshot required (see sources/README.md)	yes
-rs7LHtODh4	2025-04-08	One-off	28	Dota 2 client datamine reveals Episode Three weapons	Development state	Fact	verified.	build	Datamine of the incomplete Dota 2 client, September 19, 2011.	no	build snapshot required (see sources/README.md)	no
-rs7LHtODh4	2025-04-08	One-off	29	"Matt Charlesworth's ""Old Man"" sculpt"	Development state	Speculation	needs follow-up — artist confirmation or a match to game assets.	resume	Matt Charlesworth portfolio upload, October 2011; Tyler's analysis.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	yes
-rs7LHtODh4	2025-04-08	One-off	30	Anonymous voice actor claims Episode Three work	Development state	Mixed	unverified for the anonymous claim.	other	Anonymous voice-actor claim; John Patrick Lowrie and Ellen McLain public comments.	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	31	"The leaking of the ""Valve employee handbook"""	Business/legal	Mixed	needs follow-up — Valve confirmation of the document's origin.	other	"Leaked Valve ""handbook""; Greg Coomer keynote; Tyler's account."	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	32	Episode Three concept art found on an artist's Picasa portfolio	Development state	Fact	verified.	resume	Artist's Picasa portfolio, uploaded 2008; rediscovered June 27, 2012.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	33	Source 2007 source code leak	Technology	Fact	verified for the leak; the mod is checkable through the linked project.	build	Source 2007 source-code leak, August 11, 2012.	no	build snapshot required (see sources/README.md)	no
-rs7LHtODh4	2025-04-08	One-off	34	FGD files for Episode Three and Stars of Blood leak	Development state	Fact	verified for the files; needs follow-up for provenance.	other	valveleakware.com leak, February 18, 2013.	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	35	June 2013 Jira leak: a 43-member Half-Life 3 group	Development state	Mixed	verified for the listing; needs follow-up for the group's identity.	build	Leaked Valve Jira project list, June 19, 2013; The Final Hours of Half-Life: Alyx.	no	build snapshot required (see sources/README.md)	yes
-rs7LHtODh4	2025-04-08	One-off	36	John Patrick Lowrie's mocap comments and retraction	Development state	Mixed	needs follow-up — production evidence for 2013.	press	Lowrie blog comments, August 2013; CVG follow-up.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	yes
-rs7LHtODh4	2025-04-08	One-off	37	October 2013 Jira leak: Half-Life 3 splits into subgroups	Development state	Mixed	verified for the listing; needs follow-up for the development claim.	other	Second leaked Valve Jira listing, October 2, 2013.	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	38	Minh Le says he saw Half-Life 3 concept art	Development state	Mixed	unverified — the original clip is unavailable.	press	PC Gamer transcription of Minh Le's Twitch stream, May 23, 2014.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	yes
-rs7LHtODh4	2025-04-08	One-off	39	Dog model leaks from the SteamVR Performance Test	Development state	Fact	verified.	build	Datamine of an early SteamVR Performance Test build.	no	build snapshot required (see sources/README.md)	no
-rs7LHtODh4	2025-04-08	One-off	40	The HL3TXT leak from Dota 2	Development state	Mixed	verified for the files; needs follow-up for the leak motive.	build	Dota 2 update datamine (hl3.txt files), late 2015.	no	build snapshot required (see sources/README.md)	yes
-rs7LHtODh4	2025-04-08	One-off	41	The Lab release and cut content that became Half-Life: Alyx	Development state	Mixed	verified for the release and music; needs follow-up for the cut-content claim.	other	The Lab (2016); Tyler's analysis.	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	42	"The Sephilon correspondence and ""posthuman"" art"	Development state	Unclear	unverified — no independent confirmation of Sephilon.	other	"Tyler's private correspondence with ""Sephilon."""	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	43	Game Informer claims earlier Half-Life 3 RPG and FMV iterations	Development state	Unclear	unverified.	press	Game Informer article, January 17, 2017.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	yes
-rs7LHtODh4	2025-04-08	One-off	44	"Valve press roundtable: the ""VR3"" icon"	Development state	Mixed	needs follow-up — Valve confirmation that VR3 referred to Alyx.	other	Valve press roundtable, February 13, 2017; Tyler's firsthand question.	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	45	Map repository leak includes Episode Three, Half-Life 3, and an Alyx/Dog spin-off	Development state	Mixed	verified for the leak; needs follow-up for the attributions.	other	Leaked Valve developer map repository, March 23, 2017; community analysis.	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	46	Epistle 3	Lore	Fact	verified.	other	"Marc Laidlaw's ""Epistle 3"" blog post, August 24, 2017."	no	SRC-VID--rs7LHtODh4	no
-rs7LHtODh4	2025-04-08	One-off	47	"Mike Shapiro teases a ""certain Valve title"""	Development state	Mixed	verified for the quotes; needs follow-up for the referent.	other	Boundary Break episode featuring Mike Shapiro, February 22, 2020.	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	48	Half-Life: Alyx datamine matches the HL3TXT leak	Development state	Fact	verified.	build	Half-Life: Alyx datamine, March 2020.	no	build snapshot required (see sources/README.md)	no
-rs7LHtODh4	2025-04-08	One-off	49	Dario Casali on Source 2 and Half-Life development	Development state	Fact	verified.	press	IGN interview with Dario Casali, 2020.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	50	Robin Walker on another 13-year wait	Development state	Fact	verified.	press	Polygon interview with Robin Walker, 2020.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	51	The Final Hours confirms a 2015 Half-Life 3	Development state	Fact	verified.	other	The Final Hours of Half-Life: Alyx, July 9, 2020.	no	SRC-VID--rs7LHtODh4	no
-rs7LHtODh4	2025-04-08	One-off	52	HLX appears in Dota 2 demo-file parameters	Development state	Mixed	verified for the string; needs follow-up for the project start date.	build	Dota 2 update datamine, March 21, 2021.	no	build snapshot required (see sources/README.md)	yes
-rs7LHtODh4	2025-04-08	One-off	53	Community attempt to reverse-engineer Half-Life 3	Technology	Mixed	needs follow-up — published findings or results.	other	Community reverse-engineering project, September 2021; Tyler's account.	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	54	Famitsu: Greg Coomer says Alyx signals more Half-Life	Development state	Fact	verified.	press	Famitsu interview, August 8, 2022.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	55	Collector shows Episode Three and Half-Life 3 art prints	Development state	Mixed	needs follow-up — independent authentication of the prints' origins.	other	David McGravy's collection, August 28, 2022.	no	SRC-VID--rs7LHtODh4	yes
-rs7LHtODh4	2025-04-08	One-off	56	"Marc Laidlaw calls Epistle 3's release ""deranged"""	Lore	Fact	verified.	press	Rock Paper Shotgun interview with Marc Laidlaw, March 1, 2023.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
-rs7LHtODh4	2025-04-08	One-off	57	Deadlock closed-alpha datamine	Development state	Mixed	verified for the assets; needs follow-up for their project.	build	Deadlock closed-alpha datamine, April 2024.	no	build snapshot required (see sources/README.md)	yes
-rs7LHtODh4	2025-04-08	One-off	58	Half-Life 2's 20th anniversary and the Noclip documentary	Development state	Fact	verified.	press	Half-Life 2 20th-anniversary update; Noclip documentary, November 15, 2024.	yes	SRC-VID--rs7LHtODh4 (URL not recorded in summary)	no
JrCIxd1JiAo	2025-04-19	HLX Files #10	1	Valve's April Hawaii retreat	Business/legal	Unclear	unverified — would require Valve confirmation or employee accounts of the retreat schedule.	other	Tyler's account of Valve's annual company retreat; no named evidence cited.	no	SRC-VID-JrCIxd1JiAo	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	2	"Reported Valve employee comment: ""I was in the room"""	Development state	Mixed	needs follow-up — identify the employee, the original interview or post, and the exact wording.	press	Reported public comment by an unnamed Valve employee, referenced as a headline; not independently documented in the video.	yes	SRC-VID-JrCIxd1JiAo (URL not recorded in summary)	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	3	Valve employee in documentary-production chat thread	Development state	Mixed	needs follow-up — the thread is not public; corroboration from a participant would be required.	press	Chat thread during production of Tyler's Half-Life 3 documentary.	yes	SRC-VID-JrCIxd1JiAo (URL not recorded in summary)	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	4	Ben Burbank talk: gravity-changing systems Valve has not shipped	Gameplay	Mixed	needs follow-up — locate the recorded Burbank talk to confirm the quote; the HLX link would still require datamined evidence.	build	Ben Burbank developer talk, quoted in the video; Tyler's prior HLX reporting for the gravity connection.	no	build snapshot required (see sources/README.md)	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	5	Half-Life: Alyx began as a shooting gallery and had its story rewritten	Development state	Fact	needs follow-up — locate the recorded talk to confirm the quotations and context.	other	Ben Burbank developer talk, quoted in the video.	no	SRC-VID-JrCIxd1JiAo	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	6	Burbank talk on NPC communication and HLX's NPC AI focus	Gameplay	Mixed	needs follow-up — the talk can be checked; the HLX NPC AI claim requires datamined entity or system evidence.	build	Ben Burbank developer talk plus Tyler's prior HLX reporting/analysis.	no	build snapshot required (see sources/README.md)	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	7	"Deadlock HEV suit references removed and renamed ""Burbank suit"""	Development state	Fact	"needs follow-up — inspect Deadlock build history and string files to confirm the removal and the ""Burbank suit"" rename."	build	Datamine of Deadlock code (Tyler's August report) and a subsequent Deadlock update.	no	build snapshot required (see sources/README.md)	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	8	Mike Morasky's denial of Deadlock music and sound effects	Other	Mixed	needs follow-up — locate the interview and the documentary clip to establish what Morasky originally said.	press	Morasky interview recorded shortly before this video; earlier clip from Tyler's Half-Life 3 documentary.	yes	SRC-VID-JrCIxd1JiAo (URL not recorded in summary)	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	9	Ars Technica account describes Valve employees raising Half-Life 3	Development state	Unclear	unverified — the specific account and post are not linked; even if found, the claim would remain second-hand.	community	Ars Technica forum post by a long-standing account, read in the video.	yes	SRC-VID-JrCIxd1JiAo (URL not recorded in summary)	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	10	Tyler: HLX's existence is already established; only a visual leak would add more	Development state	Speculation	unverified — a subjective evidentiary judgment; would be tested by the visual leak he describes.	press	Tyler's analysis of his accumulated HLX reporting and documentary.	yes	SRC-VID-JrCIxd1JiAo (URL not recorded in summary)	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	11	Speculated short announcement-to-release window	Release date	Speculation	unverified — would require an official announcement, store page, or credible dating leak.	official	Tyler's inference from Valve's Half-Life: Alyx announcement and release history.	yes	SRC-VID-JrCIxd1JiAo (URL not recorded in summary)	yes
JrCIxd1JiAo	2025-04-19	HLX Files #10	12	Tyler's upcoming videos, including a Half-Life 2: Episode 3 mechanical deep dive	Other	Fact	unverified — self-reported; confirm when the videos are published.	other	Tyler's statement in the video.	no	SRC-VID-JrCIxd1JiAo	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	1	HLX announcement timing remains unknown	Release date	Speculation	unverified — would require an official Valve announcement or a dated store/event listing.	other	Tyler's analysis of industry conversations and internal game code, with no named source or document.	no	SRC-VID-FUj4iMRKGqM	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	2	Source 2 save/load system rewritten from scratch	Engine feature	Mixed	needs follow-up — inspect Source 2/HLX binaries and changelists for the new save/load code and timestamps; no build number or filename is given.	build	Datamine of the Deadlock and Dota 2 updates described by Tyler; save/load findings credited to Kayla on Tyler's Discord server.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	3	Half-Life: Alyx relied on Source 1's legacy save/load	Development state	Speculation	needs follow-up — compare save/load implementations across Source 2 titles and check Alyx's shipped code for legacy Source 1 save paths.	build	Tyler's analysis of Source Engine and Source 2 game branches.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	4	Save/load rewrite treated as late-development polish	Development state	Speculation	unverified — would require confirmation of the system's completion state or Valve's production schedule.	build	Tyler's analysis of the save/load datamine and his earlier FSR coverage.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	5	Vehicle attributes and two-way player/NPC transport	Gameplay	Mixed	needs follow-up — search Source 2 meshlet/surface-property definitions and vehicle entity code for the cited attributes and passenger roles.	build	Datamine of the Deadlock and Dota 2 updates described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	6	Electrical simulation and fire, water, and ice elements	Gameplay	Mixed	needs follow-up — locate the electrification strings and particle attribute flags in the updates, and find contemporaneous documentation for the Episode 3/2013 claims.	build	Datamine of the Deadlock and Dota 2 updates described by Tyler, plus Tyler's account of earlier Half-Life development history.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	7	Multithreaded physics and asynchronous AI	Technology	Mixed	needs follow-up — inspect Source 2 physics and AI code for threading and asynchronous scheduling changes.	build	Datamine of the Deadlock and Dota 2 updates described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	8	Crawling and crouching states for players and NPCs	Gameplay	Mixed	needs follow-up — check player movement and NPC state definitions for crawl/crouch height and forced-crouch sequence parameters.	build	Datamine of the Deadlock and Dota 2 updates described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	9	Expanded sight-and-sound AI added to base NPC FGD	Gameplay	Mixed	needs follow-up — inspect the base AI NPC FGD for new sight/sound response fields.	build	Datamine of the Deadlock and Dota 2 updates described by Tyler, specifically the base default AI NPC FGD file.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	10	OnStartDeath and AddAttribute flags	Gameplay	Fact	needs follow-up — locate OnStartDeath and AddAttribute in the relevant FGD or entity definition files.	build	Datamine of the Deadlock and Dota 2 updates described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	11	Navigation, cloth, and hit-group damage flags	Gameplay	Fact	needs follow-up — search FGD/entity definitions for navigation, cloth ray-casting, hit-group, and per-part damage fields.	build	Datamine of the Deadlock and Dota 2 updates described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	12	Wind system and fan gameplay element	Gameplay	Mixed	needs follow-up — inspect wind controller and fan entity definitions for the cited interactions.	build	Datamine of the Deadlock and Dota 2 updates described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	13	Three new player flags: suppress save, in vehicle, in vehicle transport	Gameplay	Fact	needs follow-up — locate the three flags in the player entity definitions and confirm their save/vehicle behavior.	build	Datamine of the Deadlock and Dota 2 updates described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FUj4iMRKGqM	2025-05-28	HLX Files #11	14	Press coverage misrepresented his TFX reporting as a Team Fortress 3 claim	Other	Mixed	needs follow-up — compare the published articles with the original TFX video and transcript.	press	Tyler's account of press coverage of his prior TFX video.	yes	SRC-VID-FUj4iMRKGqM (URL not recorded in summary)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	1	Two-month datamine drought and community reaction	Development state	Speculation	unverified — would require a dated list of Source 2 project builds or Valve statements confirming active project count.	build	Tyler's commentary on the absence of recent datamines.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	2	"Tyler's January claim that ""197"" was nonsense"	Other	Speculation	"unverified — would require the original January video or post plus any artifact that ""197"" referred to."	other	Tyler's recollection of his own January commentary.	no	SRC-VID-W7fLurNQT8U	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	3	Assertion that HLX remains in development and Valve is in strong shape	Development state	Speculation	unverified — would require an official statement, credible press report, or build activity confirming ongoing work.	official	Tyler's analysis and opinion.	yes	SRC-VID-W7fLurNQT8U (URL not recorded in summary)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	4	No known release schedule; Tyler will stop answering timing questions	Release date	Speculation	unverified — release timing would only be confirmed by Valve.	other	Tyler's own statement about his sourcing.	no	SRC-VID-W7fLurNQT8U	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	5	Counter-Strike 2 backend update replaced the animation system	Technology	Fact	needs follow-up — check CS2 patch notes and game files for an animation-system replacement in the update preceding 2025-07-31.	build	Datamine of a Counter-Strike 2 update.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	6	Gabe Follower tweet on triggers, animation lines, and HLX	Development state	Mixed	needs follow-up — locate the specific tweet and the corresponding string in the CS2 build.	build	Gabe Follower tweet and datamined CS2 files.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	7	"""HLX configurable lightweight body"" collection and entity"	Engine feature	Fact	needs follow-up — confirm the strings in the shipped CS2 FGD files and determine what the entity configures.	build	Datamine of the Counter-Strike 2 update's FGD or entity definitions.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	8	"New hitbox groups including ""dog leg"""	Engine feature	Mixed	needs follow-up — inspect the hitbox group list in the CS2 build and compare with prior versions.	build	Datamine of CS2 hitbox group definitions.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	9	"Two new AI event types: ""food"" and ""gravity"""	Gameplay	Mixed	needs follow-up — check the exact string in the FGD and any localization tokens to confirm the label.	build	Datamine of CS2 AI event definitions.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	10	AI scripts in FGD files and localization tokens rewritten	Engine feature	Fact	needs follow-up — diff the FGD and localization files between the prior and current CS2 builds.	build	Datamine of CS2 FGD files and localization tokens.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	11	"Reaction events renamed from ""sounds"" to ""AI events"""	Engine feature	Mixed	"needs follow-up — confirm the ""AI events"" naming in the current FGD and identify visual-stimulus parameters."	build	Datamine of CS2 FGD AI event definitions.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	12	Hammer updated to expose HLX-era features	Engine feature	Mixed	needs follow-up — inspect Hammer FGD entries and tooltips for these properties and check whether they predate the update.	build	Datamine of Hammer/FGD entity definitions in the CS2 update.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	13	Plain-language tooltips and public-facing documentation added	Development state	Mixed	needs follow-up — read the tooltip strings directly and compare their presence in earlier builds.	build	Datamine of CS2 FGD/tool tooltip strings; Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	14	Transport simulation generalized beyond vehicles	Engine feature	Mixed	needs follow-up — compare the transport simulation keyvalues and descriptions with the prior build.	build	Datamine of CS2 FGD transport/surface definitions.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	15	Surface properties documented in simple language	Development state	Mixed	needs follow-up — review the surface property descriptions and their first appearance date in shipped builds.	build	Datamine of CS2 surface property definitions; Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	16	"""This is truly the end of development"" — with a Valve caveat"	Development state	Speculation	needs follow-up — official tool release, store page, or announcement would confirm; continued engine changes would weaken it.	build	Tyler's inference from the CS2 FGD and tooltip datamine.	no	build snapshot required (see sources/README.md)	yes
W7fLurNQT8U	2025-07-31	HLX Files #12	17	Brief status notes on TF and Deadlock	Development state	Speculation	needs follow-up — datamined build activity or official statements for each project.	build	Tyler's commentary.	no	build snapshot required (see sources/README.md)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	1	HLX release date remains unknown after QuakeCon 2025	Release date	Speculation	unverified — would require an official Valve announcement or a dated store/event listing.	other	Tyler's account of conversations at QuakeCon 2025.	no	SRC-VID-htC-u80xs_Q	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	2	August 2025 was Valve's busiest build month in about a decade	Development state	Mixed	needs follow-up — the underlying build-ID dataset and the code that produced the graph are not published with the video; reproducing the 30-day rolling counts from public build numbers would confirm it.	build	Tyler's analysis of publicly published Valve build/commit numbers charted over time.	no	build snapshot required (see sources/README.md)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	3	Counter-Strike 2 update adds per-component load-time logging	Technology	Mixed	needs follow-up — inspect the CS2 update's binaries or changelog for the load-timing log statements and determine whether the same code is shared with HLX.	build	Datamine of the most recent Counter-Strike 2 update, as described by Tyler.	no	build snapshot required (see sources/README.md)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	4	Save-system version variable can select new or legacy saves	Engine feature	Fact	needs follow-up — locate the save-version enum and its new/legacy values in the relevant FGD file and confirm which system HLX defaults to.	build	Datamine of HLX FGD/entity definitions; no build number or filename is given.	no	build snapshot required (see sources/README.md)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	5	"AI sound entity cleanup becomes ""AI volumetric event"" with new reaction inputs"	Gameplay	Fact	needs follow-up — search HLX AI event definitions for the volumetric event and the seven listed reaction inputs.	build	Datamine of HLX AI event/FGD definitions presented on screen.	no	build snapshot required (see sources/README.md)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	6	Liquid simulation system developed specifically for HLX	Engine feature	Fact	needs follow-up — locate the liquid property definition and its oil/water/none values, and determine whether the system ships in HLX or is shared Source 2 code.	build	Datamine of HLX entity/particle definitions presented on screen.	no	build snapshot required (see sources/README.md)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	7	"""Ability use position"" entity for pre-ability movement"	Gameplay	Fact	"needs follow-up — locate the ""ability use position"" entity in HLX entity definitions and find which abilities reference it."	build	Datamine of HLX entity definitions presented on screen.	no	build snapshot required (see sources/README.md)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	8	Destructible-part-destroyed event wired to enemy AI	Gameplay	Fact	"needs follow-up — locate the ""on destructible part destroyed"" output/event in HLX entity definitions and identify the models with destructible parts."	build	Datamine of HLX entity/FGD definitions presented on screen.	no	build snapshot required (see sources/README.md)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	9	Vehicle entity changes include jeep removal and speed scaling	Gameplay	Fact	needs follow-up — check HLX vehicle entity definitions for the listed keys and confirm whether the jeep entity was deleted or merely deprecated.	build	Datamine of HLX vehicle entity/FGD definitions presented on screen.	no	build snapshot required (see sources/README.md)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	10	Optimization work read as a sign of content lock and late-stage development	Development state	Speculation	unverified — would require Valve confirmation of content lock, a production schedule, or an announcement.	build	Tyler's inference from the optimization and AI-cleanup datamine findings.	no	build snapshot required (see sources/README.md)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	11	Half-Life: Alyx soundtrack coming to vinyl	Marketing	Unclear	needs follow-up — an official Valve, composer, or label announcement or a store listing for the Alyx soundtrack vinyl would confirm it.	official	Tyler's mention during the episode; no primary source named.	yes	SRC-VID-htC-u80xs_Q (URL not recorded in summary)	yes
htC-u80xs_Q	2025-09-03	HLX Files #14	12	Air Exchange Revised mod combines cut Air Exchange with Nova Prospekt	Other	Mixed	verified — both items are named and searchable on the Steam Workshop; the 2003 WC map pack leak and the Air Exchange-to-Nova Prospekt design history would need separate documentation.	build	Tyler's playthrough of the Air Exchange Revised Steam Workshop mod and the Half-Life 2 2002-era replacement pack collection.	no	build snapshot required (see sources/README.md)	no
qKR-G1EuYyg	2025-10-29	HLX Files #15	1	Ibex controller backend update on Steam	Hardware	Mixed	needs follow-up — a public Steam depot/manifest entry or Valve announcement naming Ibex would confirm the codename and product type.	build	Steam backend/SteamDB update spotted shortly before recording, relayed by Tyler.	no	build snapshot required (see sources/README.md)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	2	Steam Frame announcement expected within weeks	Hardware	Speculation	needs follow-up — an official Valve announcement or credible shipping/regulatory filing would confirm the timing.	other	Tyler's inference from the timing of the Ibex backend update.	no	SRC-VID-qKR-G1EuYyg	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	3	HLX may use Steam Frame features despite not being a VR title	Technology	Speculation	unverified — Steam Frame feature documentation or an HLX store listing mentioning such support would confirm it.	official	Tyler's analysis of Valve's Index-era announcement pattern and Steam Frame marketing.	yes	SRC-VID-qKR-G1EuYyg (URL not recorded in summary)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	4	"Destructible hit groups replace ""destructible part damage level"" strings"	Gameplay	Mixed	needs follow-up — the string diff in the CS2 build's files and HLX model/entity data showing non-humanoid hit group definitions would confirm it.	build	Datamine of a Counter-Strike 2 update string change.	no	build snapshot required (see sources/README.md)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	5	The Game Awards 2025 will not host the HLX reveal	Marketing	Speculation	unverified — the December 11, 2025 ceremony lineup or a Valve self-published announcement would confirm or refute it.	official	The Game Awards tweets and Tyler's analysis of Valve's announcement habits.	yes	SRC-VID-qKR-G1EuYyg (URL not recorded in summary)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	6	Re-entrant resource-system cleanup strings indicate late-stage optimization	Engine feature	Mixed	needs follow-up — locating the strings in Source 2 engine binaries and comparing with earlier builds would show when the cleanup pass was added.	build	Datamine of engine strings, likely from a Counter-Strike 2 update.	no	build snapshot required (see sources/README.md)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	7	4chan concept-art leak is AI-generated and fake	Other	Mixed	needs follow-up — provenance of the images or Valve confirmation would settle authenticity; no such evidence is presented.	community	4chan concept-art post and Tyler's analysis of the images.	yes	SRC-VID-qKR-G1EuYyg (URL not recorded in summary)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	8	Asynchronous particle wind simulation strings	Engine feature	Mixed	needs follow-up — engine source or particle editor documentation exposing these parameters would confirm the behavior.	press	Datamine of particle-system strings from a recent update.	yes	SRC-VID-qKR-G1EuYyg (URL not recorded in summary)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	9	Sound absorption refactor in the surface property system	Engine feature	Mixed	needs follow-up — comparing old and new surface property definitions in engine files/builds would confirm the merge of frequency-band attributes.	build	Datamine of surface-property/audio strings and Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	10	"Mike Shapiro ""Prepare for the Valve opening"" Reddit story is false"	Other	Unclear	needs follow-up — comment from Shapiro or the original poster, or corroborating convention footage, would settle it.	community	Reddit anecdote as read by Tyler; Tyler's denial.	yes	SRC-VID-qKR-G1EuYyg (URL not recorded in summary)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	11	Liquid spill strings and expiration-time optimization	Gameplay	Mixed	needs follow-up — HLX map/entity data placing liquid volumes and spill emitters would support the gameplay inference.	build	Datamine of liquid/particle strings from a recent update; Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	12	Half-Life 2 SteamDB changelist traced to a mod update	Development state	Fact	verified in principle — the SteamDB changelist and the mod's update history can be checked directly, though no links are given in the transcript.	build	SteamDB changelist tracking and the associated mod's Steam update.	no	build snapshot required (see sources/README.md)	no
qKR-G1EuYyg	2025-10-29	HLX Files #15	13	Destruction death behavior flag in latest Counter-Strike update	Gameplay	Mixed	needs follow-up — diffing the CS2 build strings against older builds and finding HLX entity definitions using the flags would confirm the refactor claim.	build	Datamine of the latest Counter-Strike 2 update; Tyler's analysis of earlier HLX evidence.	no	build snapshot required (see sources/README.md)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	14	Radius damage for destructible parts	Gameplay	Speculation	needs follow-up — implementation code or HLX entity data defining radius damage on part destruction would confirm it.	build	Datamine of a Counter-Strike 2 update string.	no	build snapshot required (see sources/README.md)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	15	"New ""science assets"" icon in Counter-Strike tools"	Development state	Mixed	"needs follow-up — checking whether the icon exists in older tool builds would confirm or refute the ""slipped in"" explanation."	build	Datamine of the October 15 Counter-Strike 2 update tools; Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	16	Rumor that HLX trailer work is underway	Marketing	Speculation	needs follow-up — a trailer asset leak, Valve rating filing, or official announcement would confirm it.	other	Unnamed rumor circulating in the community, relayed by Tyler; comparison to Half-Life: Alyx's marketing.	no	SRC-VID-qKR-G1EuYyg	yes
qKR-G1EuYyg	2025-10-29	HLX Files #15	17	Raising the Bar reprint timed to Half-Life hype	Business/legal	Speculation	needs follow-up — a shipping date/store listing for the reprint and any November Valve announcements would test the timing claim.	official	Valve's Raising the Bar reprint announcement; Tyler's inference.	yes	SRC-VID-qKR-G1EuYyg (URL not recorded in summary)	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	1	Valve announces Steam Frame, Steam Machine, and Steam Controller for 2026	Hardware	Fact	verified — the announcement and early-2026 window can be checked against Valve's press release and press coverage.	official	Official Valve press release circulated on the Valve press list, as described by Tyler.	yes	SRC-VID-E09c6YSfWWc (URL not recorded in summary)	no
E09c6YSfWWc	2025-11-18	HLX Files #16	2	No price announced; $400–$1,200 per-component speculation	Business/legal	Speculation	unverified — requires an official Valve price announcement.	other	Tyler's analysis of announced specifications; community price speculation he references.	no	SRC-VID-E09c6YSfWWc	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	3	"Retrospective on the SteamVR asset leak and the ""Ibex"" controller"	Hardware	Mixed	needs follow-up — compare the leaked SteamVR controller renders with the final Steam Controller product images.	build	"SteamVR update asset leak documented in the December 20, 2024 ""HLX Files Guide Den"" episode."	no	build snapshot required (see sources/README.md)	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	4	Valve tells UploadVR it built no VR game or demos for Steam Frame	Development state	Fact	verified — the Upload VR article containing the Valve quote can be checked directly.	press	Valve statement to Upload VR, as relayed by Tyler.	yes	SRC-VID-E09c6YSfWWc (URL not recorded in summary)	no
E09c6YSfWWc	2025-11-18	HLX Files #16	5	4chan HLX concept art leak judged fake	Lore	Mixed	needs follow-up — asset-level comparison of the leaked images against known Portal 2 and Half-Life Alyx source material, or a Valve denial.	community	4chan anonymous art leak; Tyler's visual analysis comparing the images to Portal 2, Portal 1, and Half-Life Alyx assets.	yes	SRC-VID-E09c6YSfWWc (URL not recorded in summary)	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	6	Counter-Strike 2 string leaks from the October 8 update	Technology	Fact	verified — the strings can be located in the Counter-Strike 2 build from that date.	build	Datamine of the Counter-Strike 2 update pushed October 8.	no	build snapshot required (see sources/README.md)	no
E09c6YSfWWc	2025-11-18	HLX Files #16	7	"Pre-announcement social media teasing about ""the 12th"""	Marketing	Unclear	needs follow-up — the original teases and any corroborating details would need to be identified.	other	Tyler's direct outreach to the social media accounts posting the teases.	no	SRC-VID-E09c6YSfWWc	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	8	Journalists hinting at HLX around the hardware announcement	Marketing	Speculation	unverified — would require the original statements plus independent sourcing.	other	Public statements and social media posts by the named journalists, as characterized by Tyler.	no	SRC-VID-E09c6YSfWWc	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	9	Tyler's theory that Valve spaced out hardware and software announcements	Marketing	Speculation	unverified — only a subsequent software announcement or Valve commentary would confirm the sequencing rationale.	official	Tyler's inference from the timing of the hardware announcement.	yes	SRC-VID-E09c6YSfWWc (URL not recorded in summary)	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	10	Debunk: Steam events, sales, and fests do not drive Valve announcements	Release date	Mixed	needs follow-up — Valve's own statements on announcement scheduling, or the Steam events calendar for that period.	community	Tyler's analysis rebutting Half-Life subreddit speculation about the Steam events calendar.	yes	SRC-VID-E09c6YSfWWc (URL not recorded in summary)	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	11	Clarification of the previous episode's trailer-work rumor	Development state	Unclear	needs follow-up — new sourcing on trailer production at Valve.	other	Tyler's restatement of his own prior HLX Files episode and his subsequent reporting.	no	SRC-VID-E09c6YSfWWc	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	12	Gabe Follower says Valve's intent to announce in 2025 is unchanged	Release date	Speculation	unverified — would require corroboration from a primary source or Valve statement.	community	Public statement by Gabe Follower, endorsed by Tyler.	yes	SRC-VID-E09c6YSfWWc (URL not recorded in summary)	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	13	Jason Schreier clarifies his 2025 Half-Life prediction was not inside information	Release date	Fact	verified — the subreddit posts can be located and read directly.	community	Jason Schreier's public posts in the Half-Life subreddit, quoted in the video.	yes	SRC-VID-E09c6YSfWWc (URL not recorded in summary)	no
E09c6YSfWWc	2025-11-18	HLX Files #16	14	HLX in production since at least 2021 and in polish for almost a year	Development state	Speculation	needs follow-up — build metadata, repository activity, or file changes evidencing a production timeline and a polish-phase transition.	build	Tyler's analysis based on his cumulative datamining and sourcing.	no	build snapshot required (see sources/README.md)	yes
E09c6YSfWWc	2025-11-18	HLX Files #16	15	"Codename ""TF"" is not a demo; datamined November 8 updates"	Development state	Mixed	needs follow-up — the November 8 datamined strings and their relation to codename TF have not been published yet.	build	Datamine of the November 8 updates, cross-referenced with Valve's statement to Upload VR.	no	build snapshot required (see sources/README.md)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	1	Source 2's shared, non-forked engine model	Technology	Speculation	needs follow-up — comparing engine depot or branch structure across shipped Source 2 titles would confirm or refute the shared-code claim.	build	Tyler's analysis of how Valve develops Source 2.	no	build snapshot required (see sources/README.md)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	2	Patch-diffing methodology and scope of the series	Technology	Mixed	needs follow-up — the method is reproducible in principle by diffing public builds, though the interpretive conclusions are not directly checkable.	build	Tyler's description of his own research method.	no	build snapshot required (see sources/README.md)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	3	Terminology primer: VData, FGD, I/O, schemas, hint nodes	Engine feature	Fact	verified — the file types and concepts can be inspected in shipped Source 2 game tools.	build	Source 2 tooling conventions as described by Tyler.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	4	January 2019 Alyx narrative pivot: GMan saves Eli	Lore	Fact	verified — check the quoted passage in The Final Hours of Half-Life: Alyx.	other	"""The Final Hours of Half-Life: Alyx"" by Geoff Keighley, quoted in the video."	no	SRC-VID-cH71Bn8VUAg	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	5	Gabe Newell approves the Eli retcon; Episode Two death backstory	Lore	Fact	verified — check the Final Hours passage on the Episode Two ending and the Eli decision.	other	"""The Final Hours of Half-Life: Alyx,"" quoted in the video."	no	SRC-VID-cH71Bn8VUAg	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	6	Alyx's story changes broke the planned Index launch	Business/legal	Fact	verified — Index's $999 launch price and the Final Hours account of the schedule are checkable.	other	"""The Final Hours of Half-Life: Alyx,"" quoted in the video; Index pricing."	no	SRC-VID-cH71Bn8VUAg	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	7	HLX greenlit around completion of Half-Life: Alyx's ending	Development state	Speculation	needs follow-up — no public artifact is identified that would date an HLX greenlight.	other	Tyler's inference from the Final Hours account and HLX tracking.	no	SRC-VID-cH71Bn8VUAg	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	8	VData system created before August 12, 2020	Engine feature	Fact	verified — the September 4, 2020 Dota 2 update can be inspected for VData asset metadata.	build	Tools asset metadata from a September 4, 2020 Dota 2 update.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	9	Garry Newman receives Source 2 Sandbox access, September 22, 2020	Development state	Fact	verified — early Sandbox build contents and the repository commit can be inspected.	build	Accidental public repository commit and datamine of early Sandbox builds.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	10	HLX in production before September 22, 2020	Development state	Mixed	needs follow-up — earlier internal build dates or additional pre-September artifacts would tighten the start date.	build	Tyler's inference from datamined early Sandbox builds.	no	build snapshot required (see sources/README.md)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	11	First public HLX reference: Artifact Foundry box creature animgraph, October 9, 2020	Development state	Mixed	verified — the Artifact Foundry update contents can be checked directly; the date window remains inferential.	build	Datamine of an October 9, 2020 Artifact Foundry update and comparison with September 2020 Sandbox builds.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	12	Codename HLX becomes public knowledge, March 25, 2021	Development state	Fact	verified — the named files can be checked for the HLX string and date.	build	Datamine of files dated March 25, 2021.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	13	Former employee résumé: unannounced project, 2020–2023	Development state	Fact	needs follow-up — the résumé itself does not name HLX, so attribution to HLX is Tyler's inference; an archived copy of the résumé and corroborating dates would help.	resume	Former Valve employee résumé (2020).	yes	SRC-VID-cH71Bn8VUAg (URL not recorded in summary)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	14	April 2021 public Sandbox developer builds and refactored HLX helpers	Development state	Fact	verified — the builds and their HLX helper strings can be inspected.	build	Datamine of April 2021 Sandbox developer builds.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	15	"Facepunch developers' ""save file"" explanation for HLX"	Development state	Mixed	needs follow-up — no public artifact validates or invalidates the private claim; the later HLX-named engine content is the counter-evidence Tyler relies on.	other	Tyler's account of conversations with Facepunch developers.	no	SRC-VID-cH71Bn8VUAg	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	16	Aperture Desk Job: mature VData, stray files, and an HLX content directory (March 1, 2022)	Engine feature	Fact	verified — Aperture Desk Job's VData and content paths can be inspected.	build	Datamine of Aperture Desk Job (March 1, 2022).	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	17	Dota 2 user command protobuf and vehicle entity (June 9, 2022)	Engine feature	Fact	verified — the Dota 2 update contents can be checked.	build	Datamine of the June 9, 2022 Dota 2 engine update.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	18	Greg Coomer Famitsu interview (August 4, 2022)	Development state	Fact	verified — the Famitsu interview is published.	press	Famitsu interview with Greg Coomer, August 4, 2022.	yes	SRC-VID-cH71Bn8VUAg (URL not recorded in summary)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	19	"""Build Breakmaster"" asset leak (July 11, 2023)"	Development state	Fact	needs follow-up — the asset and its provenance need to be located; the video supplies no further identifiers.	build	Leaked Valve asset, July 11, 2023.	no	build snapshot required (see sources/README.md)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	20	Mike Morasky interview with a Portal modder (October 7, 2023)	Other	Unclear	needs follow-up — the full interview would clarify whether the remark concerns reused or reworked music.	press	Interview with Mike Morasky, October 7, 2023.	yes	SRC-VID-cH71Bn8VUAg (URL not recorded in summary)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	21	Half-Life 25th anniversary (November 16, 2023)	Marketing	Fact	verified — the anniversary documentary, update and deathmatch maps are public.	press	Official Valve 25th anniversary release, November 16, 2023.	yes	SRC-VID-cH71Bn8VUAg (URL not recorded in summary)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	22	HLX sound containers and a dedicated test sound stack (February 7, 2024)	Engine feature	Fact	verified — the sound event and sound stack entries can be inspected in the relevant build.	build	Datamine of a February 7, 2024 Source 2 update.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	23	May 2024 Deadlock build datamine: Zen gorilla, feral manhacks, off-world pentatanks	Development state	Fact	verified — the Deadlock build contents can be checked for the named entities.	build	Datamine of Deadlock builds distributed in May 2024.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	24	HLX reference in a motion vector shader (July 5, 2024)	Engine feature	Fact	verified — the shader file can be inspected in the Deadlock update.	build	Datamine of a July 5, 2024 Deadlock update.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	25	Project White Sands in a voice actress's portfolio (August 4, 2024)	Development state	Mixed	needs follow-up — the portfolio listing and voice actor confirmations can be checked; the HLX = Half-Life 3 equation rests on the video's own prior tracking.	resume	Voice actress portfolio (August 4, 2024) and subsequent voice actor statements.	yes	SRC-VID-cH71Bn8VUAg (URL not recorded in summary)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	26	New Deadlock debug overlays (October 24, 2024)	Development state	Unclear	needs follow-up — the overlays' names and contents would need to be inspected.	build	Datamine of an October 24, 2024 Deadlock update.	no	build snapshot required (see sources/README.md)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	27	Half-Life 2 20th anniversary and the expanded Raising the Bar (November 15, 2024)	Marketing	Fact	needs follow-up — the 2025 release promise can be checked against whether the expanded edition actually shipped.	other	Official Valve Half-Life 2 20th anniversary announcement, November 15, 2024.	no	SRC-VID-cH71Bn8VUAg	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	28	Gabe Follower reports external playtests (December 28, 2024)	Development state	Mixed	needs follow-up — the report is secondhand and no artifact is presented; corroborating playtest accounts would help.	community	Gabe Follower report, December 28, 2024.	yes	SRC-VID-cH71Bn8VUAg (URL not recorded in summary)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	29	Unidentified December 31, 2024 reference	Other	Unclear	needs follow-up — re-listening to the segment or a corrected transcript is required to identify the event.	other	Tyler's narration, as transcribed.	no	SRC-VID-cH71Bn8VUAg	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	30	Internal Valve group-name query reveals three HLX groups (January 7, 2025)	Development state	Mixed	needs follow-up — reproducing the query or an archived result set would confirm the three group names.	community	Query of Valve's internal group-name system, reported by a Gabe Follower viewer, January 7, 2025.	yes	SRC-VID-cH71Bn8VUAg (URL not recorded in summary)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	31	HLX FSR3 support string (February 25, 2025)	Engine feature	Fact	verified — the string can be checked in the Deadlock build.	build	Datamine of a February 25, 2025 Deadlock update.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	32	Thumper confirmed in HLX via an FGD listing (July 28, 2025)	Gameplay	Fact	verified — the CS2 update's FGD files can be checked for the Thumper entry.	build	FGD entity listing in a July 28, 2025 Counter-Strike 2 update.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	33	Liquid property containers with oil and water spill rendering (August 18, 2025)	Engine feature	Fact	verified — the container definitions can be inspected in the update.	build	Datamine of an August 18, 2025 Source 2 update.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	34	Steam Frame team confirms HLX is not VR; new Valve hardware announced (November 12, 2025)	Hardware	Fact	verified — the announcement and the non-VR statement are public.	official	Official Valve statements and hardware announcement, November 12, 2025.	yes	SRC-VID-cH71Bn8VUAg (URL not recorded in summary)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	35	HLX positioned as the Steam Machine's flagship title	Marketing	Speculation	needs follow-up — a launch bundle, store listing or Valve statement would confirm the pairing.	official	Tyler's inference from Valve's hardware launch history.	yes	SRC-VID-cH71Bn8VUAg (URL not recorded in summary)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	36	Debunk: the Final Hours' 2018 small team was Citadel, not HLX	Development state	Mixed	needs follow-up — datamined Deadlock predecessor codenames would confirm the Citadel/Neon Prime/Shadow Line chain.	build	"""The Final Hours of Half-Life: Alyx"" plus Tyler's codename tracking."	no	build snapshot required (see sources/README.md)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	37	Debunk: HLX will not have a day/night cycle	Gameplay	Mixed	needs follow-up — tracing the specific day/night symbols to Dota 2 systems would confirm the attribution.	other	Tyler's review of Source 2 day/night cycle references.	no	SRC-VID-cH71Bn8VUAg	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	38	Debunk: the tracked unknown Valve app is the Deadlock experimental build	Development state	Mixed	needs follow-up — app metadata or package contents would confirm the experimental app; Xpaw's app ID remains an open question.	other	Leaker statements on the Deadlock experimental app and Xpaw's November app ID report.	no	SRC-VID-cH71Bn8VUAg	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	39	Debunk: voxel-based destruction and geometry are not part of HLX	Engine feature	Mixed	verified — the command's presence in 2021 builds and absence now can be checked directly.	build	Comparison of 2021 Sandbox builds with current Source 2 tooling.	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	40	Debunk: Morasky, Pinkerton and Wolpaw are not working on Deadlock	Development state	Speculation	needs follow-up — credits, interviews or datamined credits would confirm or refute the assignments.	press	Tyler's assertion, with no named evidence.	yes	SRC-VID-cH71Bn8VUAg (URL not recorded in summary)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	41	HLX is not a VR game: design and official-statement evidence	Gameplay	Mixed	needs follow-up — Valve's post-Alyx statements and the engine's VR-related changelogs would confirm the individual points.	other	Valve's public statements, Source 2 tooling comparison since Alyx, and Tyler's analysis.	no	SRC-VID-cH71Bn8VUAg	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	42	VR support stripped out of Source 2 and Dota 2	Engine feature	Mixed	verified — the presence and removal of these files can be checked across Dota 2 builds.	build	Comparison of Dota 2 builds (March 2023 and May 2025).	no	build snapshot required (see sources/README.md)	no
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	43	New weapon VData system built with HLX in mind	Gameplay	Mixed	needs follow-up — inspecting the weapon VData schema would confirm the property names and defaults.	build	Datamined weapon VData properties in Source 2 builds.	no	build snapshot required (see sources/README.md)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	44	Physics-object pickup matches Half-Life 2	Gameplay	Mixed	needs follow-up — the specific interaction code and its parameters would need inspection.	build	Datamine of December 2025 Source 2 references to player physics interaction.	no	build snapshot required (see sources/README.md)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	45	Drivable vehicles and Super Mario Galaxy-style gravity shifting	Gameplay	Speculation	needs follow-up — entity, schema or VData entries for drivable vehicles and gravity volumes would substantiate the claim.	build	Tyler's assertions from HLX tracking; related vehicle entity datamine (June 9, 2022).	no	build snapshot required (see sources/README.md)	yes
cH71Bn8VUAg	2026-01-29	Every Last Detail Ep1	46	HLX is not an open-world game	Gameplay	Mixed	needs follow-up — map compilation limits and lighting documentation would confirm the technical premises; the level-design conclusion is not directly testable.	build	Inspection of Hammer limits and Source 2 lighting systems, plus Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
irI02zjaSlM	2026-02-02	HLX Files #17	1	Post-winter-break patches to CS2, Deadlock, and Dota 2	Development state	Fact	verified — the patch notes and build history for all three titles are publicly checkable.	build	Public Steam updates for Counter-Strike 2, Deadlock, and Dota 2, as reviewed by Tyler.	no	build snapshot required (see sources/README.md)	no
irI02zjaSlM	2026-02-02	HLX Files #17	2	Counter-Strike 2 team direction unclear, including to insiders	Development state	Speculation	needs follow-up — CS2 staffing or roadmap statements from Valve, or sustained patch-output analysis, would confirm or refute it.	build	Tyler's inference from CS2 patch cadence, plus an unnamed community contact and a joke clip.	no	build snapshot required (see sources/README.md)	yes
irI02zjaSlM	2026-02-02	HLX Files #17	3	"Community hype meltdown and the ""Highguard"" hoax"	Other	Mixed	"needs follow-up — archived posts from the ""Highguard"" account and Keely's ""48 hours"" post would document the hoax; the motive claim is not independently checkable."	other	Tyler's account of community activity and conversations, with embedded community clips and posts.	no	SRC-VID-irI02zjaSlM	yes
irI02zjaSlM	2026-02-02	HLX Files #17	4	2025 deadlines missed; Raising the Bar reprint and Mike Shapiro tease did not materialize	Release date	Mixed	"needs follow-up — a Raising the Bar reprint listing or a Valve/Shapiro statement would confirm; absence through 2025 supports the ""didn't happen"" portion."	other	Tyler's analysis of the 2025 calendar against earlier reporting on a Raising the Bar reprint and Mike Shapiro's hints.	no	SRC-VID-irI02zjaSlM	yes
irI02zjaSlM	2026-02-02	HLX Files #17	5	NPC movement strings and base NPC movement settings VData in Deadlock	Engine feature	Fact	verified — the strings and VData filenames can be checked directly in the Deadlock build's files.	build	Datamine of the Deadlock update by Dirt Killer, Kayla, and other Mural Board contributors.	no	build snapshot required (see sources/README.md)	no
irI02zjaSlM	2026-02-02	HLX Files #17	6	Separate AI movement gate settings VData for bashing and mantling	Engine feature	Fact	verified — the file's presence and contents are checkable in the shipped build.	build	Datamine of the Deadlock update.	no	build snapshot required (see sources/README.md)	no
irI02zjaSlM	2026-02-02	HLX Files #17	7	Explosion types moved to a data set, replacing `env_explosion`	Engine feature	Fact	verified — compare `explosion_types.vdata` against the legacy `env_explosion` entity definition in the build.	build	Datamine of the Deadlock update.	no	build snapshot required (see sources/README.md)	no
irI02zjaSlM	2026-02-02	HLX Files #17	8	New NPC graft controller parameters and AnimGraph 2 adoption	Engine feature	"Fact for the parameter names and AnimGraph 2 usage; Speculation for the broader ""finalized systems"" framing, which is Tyler's interpretation."	needs follow-up — confirm exact parameter spellings in the shipped VData, since several are garbled by auto-transcription.	build	Datamine of the Deadlock update.	no	build snapshot required (see sources/README.md)	yes
irI02zjaSlM	2026-02-02	HLX Files #17	9	Choreo, scene payload, and animation graph additions	Engine feature	Fact	verified — the modifier and scene payload definitions are inspectable in the build.	build	Datamine of the Deadlock update.	no	build snapshot required (see sources/README.md)	no
irI02zjaSlM	2026-02-02	HLX Files #17	10	NPC AI LOD parameter and AnimGraph 2 in the navlink motor	Engine feature	Fact	needs follow-up — exact identifier spelling should be confirmed against the VData, as the transcript garbles it.	build	Datamine of the Deadlock update.	no	build snapshot required (see sources/README.md)	yes
irI02zjaSlM	2026-02-02	HLX Files #17	11	AI volumetric event sensor entity	Engine feature	Fact	needs follow-up — confirm the entity name and I/O strings in the build's entity definitions.	build	Datamine of the Deadlock update.	no	build snapshot required (see sources/README.md)	yes
irI02zjaSlM	2026-02-02	HLX Files #17	12	Point prefab API in Pulse, new CSceneRequest parameters, and AI scheduler flags	Engine feature	Fact for the existence of the API, parameters, and flags as datamined; the transcript preserves few exact names.	needs follow-up — enumerate the CSceneRequest fields and AI scheduler flags from the build to replace the vague transcript wording.	build	Datamine of the Deadlock update.	no	build snapshot required (see sources/README.md)	yes
irI02zjaSlM	2026-02-02	HLX Files #17	13	Secondary skeletons, CNM selector node, and new NM graph data	Engine feature	Fact	needs follow-up — confirm the exact node/operator identifiers, some of which are clearly mis-transcribed.	build	Datamine of the Deadlock update.	no	build snapshot required (see sources/README.md)	yes
irI02zjaSlM	2026-02-02	HLX Files #17	14	VPhysics 2 schemas reintroduced alongside save/load rewrite	Engine feature	Mixed	needs follow-up — diff VPhysics 2 schema definitions against an earlier Deadlock build to establish whether they are new or restored.	build	Datamine of the Deadlock update.	no	build snapshot required (see sources/README.md)	yes
irI02zjaSlM	2026-02-02	HLX Files #17	15	"""AI time to ignite"" server setting for NPC fire"	Gameplay	Fact	needs follow-up — locate the convar/server setting in the build and confirm its default and flags.	build	Datamine of the Deadlock update.	no	build snapshot required (see sources/README.md)	yes
irI02zjaSlM	2026-02-02	HLX Files #17	16	"Refactoring-not-new-features thesis and ""most polished"" prediction"	Development state	Speculation	needs follow-up — a shipped build, official reveal, or content-complete milestone would test the claim.	build	Tyler's analysis of the accumulated datamine record.	no	build snapshot required (see sources/README.md)	yes
irI02zjaSlM	2026-02-02	HLX Files #17	17	Half-Life: Alyx soundtrack vinyl box set and CD release	Marketing	Fact	verified — the product listing and pre-order timestamp are publicly checkable.	official	Retail/store listing for the Half-Life: Alyx soundtrack, as described by Tyler.	yes	SRC-VID-irI02zjaSlM (URL not recorded in summary)	no
irI02zjaSlM	2026-02-02	HLX Files #17	18	TF2 Fight Songs vinyl hid a Mercenary Park teaser	Marketing	Fact	needs follow-up — compare the vinyl's final hidden track with the released Mercenary Park soundscape.	other	Tyler's own Fight Songs vinyl and prior unboxing video.	no	SRC-VID-irI02zjaSlM	yes
irI02zjaSlM	2026-02-02	HLX Files #17	19	Raising the Bar Redux releases Division 3	Other	Fact	verified — the Division 3 build and its map list are publicly available.	build	Raising the Bar Redux release, as reported by Tyler.	no	build snapshot required (see sources/README.md)	no
irI02zjaSlM	2026-02-02	HLX Files #17	20	Raising the Bar Retail demo (Division 1)	Other	Fact	verified — the Division 1 demo is publicly downloadable.	other	Raising the Bar Retail demo release, as reported by Tyler.	no	SRC-VID-irI02zjaSlM	no
irI02zjaSlM	2026-02-02	HLX Files #17	21	"Half-Life 1 beta mod ""Thrill"" vanished and was continued as ""Thrill EX"""	Other	Mixed	needs follow-up — archived Thrill pages and the Thrill EX repository would confirm the timeline and code lineage.	other	Community reports and mod hosting pages, as relayed by Tyler.	no	SRC-VID-irI02zjaSlM	yes
irI02zjaSlM	2026-02-02	HLX Files #17	22	Half-Life: Insecure released in November	Other	Fact	verified — the mod's release page and date are publicly checkable.	other	Half-Life: Insecure release, as reported by Tyler.	no	SRC-VID-irI02zjaSlM	no
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	1	HEV suit referenced by sound effects in the engine	Gameplay	Mixed	"needs follow-up — inspect Source 2 engine sound manifests and changelists for the HEV suit entries, the December 6th, 2024 weapon pickup sound, and the ""legacy"" folder labeling."	build	Datamine of Source 2 engine sound files, including an engine-core change dated December 6th, 2024.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	2	Claim that new HEV suit voice lines were recorded	Gameplay	Speculation	unverified — would require voice-actor credits, résumé or union listings, or HEV voice files dated after the legacy set.	build	Tyler's inference from the datamined legacy HEV sound folder.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	3	Gravity gun support visible in Source 2 FGD files	Gameplay	Mixed	needs follow-up — review current Source 2 FGD definitions for gravity-gun pickup, punt, and mass-independent interaction keys.	build	Datamine of Source 2 FGD (level-design entity definition) files.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	4	Dynamic fire spreading implemented in Source 2	Engine feature	Fact	needs follow-up — inspect Source 2 fire-spread and temperature entity code for ignition thresholds and distance-based heating.	build	Datamine of Source 2 engine fire and temperature systems.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	5	Half-Life 2's cut dynamic fire system and gas station encounter	Gameplay	Fact	verified — the passage can be checked against Half-Life 2's developer commentary nodes for the Coast chapters.	other	Half-Life 2 developer commentary, quoted in the video.	no	SRC-VID-34uDQ-I7Oec	no
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	6	Water buoyancy and player-water interaction added to Source 2	Engine feature	Mixed	needs follow-up — locate the Source 2 buoyancy and drowning code and reproduce the May 2025 Counter-Strike 2 demonstration.	build	Datamine of Source 2 water systems plus a community demonstration in Counter-Strike 2 dated to May 2025.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	7	Liquid spills as spawned puddles	Engine feature	Mixed	needs follow-up — check Source 2 entity definitions for spill/puddle spawning tied to leaking containers, and document the Half-Life 2 cut-feature claim.	build	Datamine of Source 2 liquid and spill entities; Tyler's comparison to cut Half-Life 2 content.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	8	Waterfall helpers as a level-design tool	Engine feature	Mixed	needs follow-up — search Source 2 map-authoring entities for waterfall helper definitions and confirm they are unused in shipped Source 2 titles.	build	Datamine of Source 2 level-design tool entities.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	9	Fan gameplay mechanic with three particle types	Gameplay	Mixed	needs follow-up — inspect Source 2 fan entity keys and particle types, and check whether any shipped Source 2 game uses them.	build	Datamine of Source 2 fan entities and particle definitions.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	10	Weapons rewritten around the VData system	Gameplay	Mixed	needs follow-up — review Source 2 weapon VData schemas for exhaustible/no-refill flags and the four sound-event categories.	build	Datamine of Source 2 VData weapon definitions and sound-event entries.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	11	Spawn-volume tool material from the 2013 Half-Life 3 attempt updated	Gameplay	Mixed	needs follow-up — identify the spawn-volume tool material, its modification date, and the associated 2013 project files; confirm the dynamic-spawn parameters.	build	Datamine of Source 2 tool materials, linked by Tyler to the 2013 Half-Life 3 project.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	12	Work-in-progress level streaming system in Source 2	Engine feature	Mixed	needs follow-up — inspect Source 2 streaming code paths for full-map transitions beyond UI and intro map loading.	build	Datamine of Source 2 level-streaming code and comparison with Counter-Strike 2 map loading.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	13	Breakable props spawn sub-props and contained items	Gameplay	Mixed	needs follow-up — review Source 2 prop entity keys for spawned sub-props and contained-item lists.	build	Datamine of Source 2 breakable prop and physics prop entity definitions.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	14	Gravity shifting for players and NPCs	Gameplay	Mixed	needs follow-up — locate gravity-shifting movement code and test whether NPC navigation supports altered gravity volumes.	build	Datamine of Source 2 gravity and player-movement systems.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	15	Modular physics-based vehicle system	Gameplay	Mixed	needs follow-up — review the vehicle VData schema for passenger, FOV, friction, suspension, wheel-drag, ragdoll, and assist parameters.	build	Datamine of Source 2 vehicle VData schema and vehicle entities.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	16	Forza Motorsport physics developer hired by Valve	Development state	Speculation	needs follow-up — confirm the developer's identity, Valve start date, and Forza credits, and compare with the vehicle system's first appearance in engine files.	build	Tyler's observation of a reported hiring, tied by timing to the vehicle-system leak.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	17	Vehicle VData added in a June 9th, 2022 Dota 2 update	Development state	Mixed	needs follow-up — check the June 9th, 2022 Dota 2 build contents for vehicle schema files and inspect later engine updates for removal of the related entities.	build	Datamine of a Dota 2 update dated June 9th, 2022 and subsequent Source 2 engine updates.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	18	Vehicle entry, exit, rollover, and hit-group rules	Gameplay	Mixed	needs follow-up — inspect the vehicle schema for exit-blocking, entry-speed, rollover, wheel, passenger, and hit-group fields, and test occupant damage in-engine.	build	Datamine of Source 2 vehicle VData schema and hit-group definitions.	no	build snapshot required (see sources/README.md)	yes
34uDQ-I7Oec	2026-03-01	Every Last Detail Ep2	19	NPC animation parameters and unresolved vehicle-combat questions	Gameplay	Mixed	needs follow-up — review NPC animation parameter sets for stun, death hit-location, attacker-strength reaction, door interaction, flight speed, and in-vehicle detection/melee entries.	build	Datamine of Source 2 NPC animation and vehicle-related parameter lists.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	1	Houndeye references in strings and icon	Gameplay	Mixed	needs follow-up — locating the exact string keys and icon in HLX build files would confirm the reference; attachment behavior would require entity or code evidence.	build	HLX datamine of strings and an icon (examples given: `houndeye_item_attach`, `monster_item_attach`); Tyler's inference from those strings.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	2	Xen Gorilla	Lore	Mixed	needs follow-up — finding the hint node and particle asset in HLX files would confirm the reference; the creature's model or concept art would confirm its appearance.	press	HLX hint-node datamine (`Xen Gorilla retreat spot`) and associated particle effect; Tyler's interpretation.	yes	SRC-VID-Q9ug2VyTPlo (URL not recorded in summary)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	3	Xen Jellyfish	Gameplay	Mixed	needs follow-up — inspecting the Xen Jellyfish AI task list and spawn/classification data would confirm the foraging behavior and whether it is treated as an enemy.	build	HLX NPC/AI datamine referenced by Tyler; Tyler's analysis of its role.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	4	Xen Swooper	Lore	Mixed	needs follow-up — locating the Swooper hint nodes and associated AI parameters in HLX data would confirm the circling and landing behavior.	build	HLX hint-node datamine; Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	5	Combine Charger shield deployment spots	Gameplay	Mixed	needs follow-up — finding the Charger shield-deployment hint node or entity input in HLX files would confirm it; Alyx behavior would need comparison against Alyx's shipped entities.	build	HLX hint-node/level-design datamine; comparison to Half-Life: Alyx.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	6	Feral Manhacks	Lore	Mixed	needs follow-up — the Feral Manhack entity definition, model, and AI tasks in HLX data would confirm behavior and whether it is mechanical or biological.	build	HLX hint-node datamine (`feral manhack drag towards`); community speculation relayed by Tyler.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	7	Combine snipers with dynamic positions	Gameplay	Mixed	needs follow-up — checking whether the hint node supports multiple linked positions and whether sniper NPC AI uses them would confirm the behavior.	build	HLX hint-node datamine (`combine sniping position`); Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	8	Combine signal and fallback hint nodes	Gameplay	Speculation	needs follow-up — locating these hint nodes and any AI code that queries them would establish their actual function.	build	HLX hint-node datamine; Tyler's interpretation.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	9	The Combine off-world as place of origin	Lore	Mixed	needs follow-up — HLX data tying off-world assets to Combine forces would strengthen the origin claim; the quoted announcements are verifiable in shipped Half-Life games.	other	Half-Life 2-era Overwatch/public-address dialogue quoted by Tyler; community speculation on Combine origins.	no	SRC-VID-Q9ug2VyTPlo	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	10	Off-world penta tank	Lore	Mixed	needs follow-up — the penta tank entity, model, and any turret attachment/pilot logic in HLX files would confirm its design and function.	build	HLX datamine referenced by Tyler; Tyler's inference.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	11	Off-world workers	Gameplay	Mixed	needs follow-up — worker entity and hint-node definitions in HLX data would confirm the work/return loop; Alyx's original worker design would need developer accounts or leaked design material.	press	HLX hint-node datamine (work spots, return spots); Half-Life: Alyx development comparisons cited by Tyler.	yes	SRC-VID-Q9ug2VyTPlo (URL not recorded in summary)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	12	Off-World Storks	Gameplay	Unclear	needs follow-up — locating the Stork entity/hint nodes and any restock or deployment logic would clarify the mechanic.	build	HLX hint-node datamine; Tyler's commentary.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	13	The fly guy	Lore	Speculation	needs follow-up — the fly guy's entity data, model, and equipment would confirm or refute the jet-packed Officer idea.	build	Tyler's analysis of prior HLX references.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	14	The Kush Child	Lore	Mixed	needs follow-up — Kush Child AI tasks and model assets would confirm water-seeking behavior and appearance; the Episode 3 blob comparison would require cut-content references.	build	HLX datamine referenced by Tyler; community comparison to the Kush Toy; Episode 3 cut-content comparison.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	15	The Howler	Lore	Mixed	needs follow-up — Howler AI/attack code and model assets in HLX data would confirm the behavior and appearance.	build	HLX datamine referenced by Tyler; cut-content comparison.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	16	The Flitter	Lore	Mixed	needs follow-up — Flitter entity/AI definitions and any burrow-hole or pipe hint nodes would confirm the behavior and clarify what the creature is.	build	HLX datamine referenced by Tyler; Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	17	The Harvest Man Baby	Lore	Fact	needs follow-up — the Harvest Man Baby entity and its sound event in HLX files would confirm the chirp.	build	HLX datamine referenced by Tyler (sound/entity data).	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	18	Antlion return and HLX thumper entries	Gameplay	Mixed	needs follow-up — locating current thumper entity definitions and antlion references in HLX files would confirm the return; the renaming claim would need version history or discovery timestamps.	build	"HLX entity-definition (FGD, transcribed as ""FGT"") datamine; Tyler's analysis."	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	19	Xen as a visitable location	Lore	Speculation	needs follow-up — HLX map, chapter, or scene data placing the player in Xen would confirm it.	build	HLX datamine of Xen NPCs and gravity-related content; Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	20	The Combine off-world as a visitable location	Lore	Speculation	needs follow-up — HLX map or chapter data set in the off-world would confirm it.	other	Tyler's inference from HLX off-world references.	no	SRC-VID-Q9ug2VyTPlo	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	21	The foundry location	Lore	Mixed	needs follow-up — foundry map or ambient-scene data in HLX would confirm the location and spots; the cremator-factory claim would need cut-content documentation.	build	HLX hint-node/location datamine (communication and welding spots); Tyler's development-history commentary.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	22	Holdout positions for independent NPC defense	Gameplay	Mixed	needs follow-up — holdout hint-node definitions and the AI/scenario logic that consumes them would confirm independent NPC defense.	build	HLX hint-node datamine (`holdout position`, holdout power consumer); comparison to Half-Life 2's plaza sequence.	no	build snapshot required (see sources/README.md)	yes
Q9ug2VyTPlo	2026-03-08	Every Last Detail Ep4	23	Dynamic physics prop pickup and drop-off	Gameplay	Mixed	needs follow-up — NPC prop-interaction code and the hint-node parameters would confirm whether arbitrary physics objects are supported.	build	HLX hint-node datamine (`physics prop pickup`, `physics prop drop-off`); Tyler's analysis.	no	build snapshot required (see sources/README.md)	yes
tBWfvvsDSxQ	2026-03-15	One-off	1	November 2025 hardware announcement and promised early-2026 pre-orders	Hardware	Mixed	verified — the November 2025 announcement and stated early-2026 pre-order window are public; the price guesses were never official.	official	Valve's November 2025 hardware announcement, recapped by Tyler; public pricing speculation as summarized by Tyler.	yes	SRC-VID-tBWfvvsDSxQ (URL not recorded in summary)	no
tBWfvvsDSxQ	2026-03-15	One-off	2	Component shortages: US tariffs, then AI data-center demand for RAM	Business/legal	Speculation	needs follow-up — Valve's February 4 FAQ confirms memory and storage shortages as the stated cause; the tariff-sourcing link is not confirmed by Valve.	official	Tyler's analysis of industry reporting on tariffs, memory, and storage pricing.	yes	SRC-VID-tBWfvvsDSxQ (URL not recorded in summary)	yes
tBWfvvsDSxQ	2026-03-15	One-off	3	"February 3, 2026: Lisa Su says Steam Machines are ""on track"""	Release date	Fact	verified — the call transcript or coverage of it would confirm the quote; the speaker and date are named.	other	AMD analyst earnings call, February 3, 2026, as quoted by Tyler.	no	SRC-VID-tBWfvvsDSxQ	no
tBWfvvsDSxQ	2026-03-15	One-off	4	"February 4, 2026: Valve's ""Steam Hardware Launch Timings and Other FAQs"" post"	Release date	Fact	verified — public Valve blog post dated February 4, 2026.	official	"Valve Steam Hardware team blog post, ""Steam Hardware Launch Timings and Other FAQs,"" February 4, 2026."	yes	SRC-VID-tBWfvvsDSxQ (URL not recorded in summary)	no
tBWfvvsDSxQ	2026-03-15	One-off	5	"March 6, 2026: Steam Year in Review post quietly narrowed to ""2026,"" then edited"	Release date	Fact	verified — the live post and archived versions would show the edit.	other	"Valve ""Steam Year in Review 2025"" blog post, March 6, 2026, plus press pickup by Geoff Keighley; Tyler's comparison of the two versions."	no	SRC-VID-tBWfvvsDSxQ	no
tBWfvvsDSxQ	2026-03-15	One-off	6	"Timeline slippage: early 2026 to first half of 2026 to ""2026"""	Release date	Mixed	verified — all three source statements are public and dated.	official	Tyler's comparison of Valve's November 2025 announcement, February 4, 2026 FAQ, and March 6, 2026 Steam Year in Review post.	yes	SRC-VID-tBWfvvsDSxQ (URL not recorded in summary)	no
tBWfvvsDSxQ	2026-03-15	One-off	7	GDC 2026: Valve asks the audience for RAM	Hardware	Mixed	needs follow-up — a photograph of the slide or the talk recording would confirm the exact wording.	other	GDC 2026 Steam hardware presentation, as reported by Hayden Digman and relayed by Tyler.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	8	GDC 2026 slide: all three products still coming in 2026	Release date	Fact	needs follow-up — slide photos or the posted PowerPoint deck would confirm the wording.	official	GDC 2026 Steam talk slides, photographed and live-tweeted by attendees.	yes	SRC-VID-tBWfvvsDSxQ (URL not recorded in summary)	yes
tBWfvvsDSxQ	2026-03-15	One-off	9	Steam Machine without RAM reportedly considered	Hardware	Unclear	needs follow-up — direct confirmation from Valve or a second independent attendee account.	other	Unnamed GDC 2026 attendee, relayed via the SteamDB Discord.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	10	Steam Frame pricing: slightly under the $1,000 Valve Index, not by much	Hardware	Mixed	needs follow-up — an official Steam Frame price would confirm or refute the estimate.	other	Valve hardware team statements at GDC 2026 as relayed by attendees in the SteamDB Discord; Valve Index full-kit pricing of $1,000.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	11	Steam Frame prescription lens inserts in prototype	Hardware	Unclear	needs follow-up — a Valve or third-party announcement of the lens-insert product.	other	GDC 2026 attendee hands-on impressions, relayed by Tyler.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	12	Half-Life Alyx streamed to Steam Frame judged comparable to Index	Hardware	Unclear	needs follow-up — independent side-by-side latency and image-quality testing.	other	GDC 2026 hands-on impression relayed by Tyler.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	13	Steam Controller held back to launch alongside the ecosystem	Marketing	Fact	needs follow-up — the full hardware talk recording or slide deck.	other	Valve hardware team Q&A at GDC 2026, as relayed by attendees.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	14	New photo of a canceled Steam Machine iteration	Hardware	Fact	needs follow-up — the slide image and Bringas's original material would confirm the comparison.	other	GDC 2026 hardware presentation slide; prior Bringas reporting on the canceled Steam Machine iteration.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	15	Steam Machine verification requires 1080p at 30 FPS, roughly 6× Steam Deck	Hardware	Mixed	needs follow-up — Valve's published verification criteria would settle whether upscaling counts.	other	GDC 2026 Valve Steam hardware talk and floor impressions reported by attendees.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	16	Third-party guidance in the GDC slides	Development state	Fact	needs follow-up — the full slide deck, of which Tyler says he does not have all materials.	other	GDC 2026 Valve Steam hardware presentation slides, as photographed and shared by attendees.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	17	Steam Frame Verified limited to native titles at 90 FPS	Hardware	Mixed	needs follow-up — Valve's published Steam Frame verification requirements.	other	GDC 2026 Valve Steam talk as reported by attendees; Tyler's analysis.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	18	Tyler's own price guesses: Steam Frame ~$1,000, Steam Machine $800–1,200	Hardware	Speculation	unverified — official pricing at launch.	other	Tyler's inference from Valve's GDC pricing comments and Valve Index pricing.	no	SRC-VID-tBWfvvsDSxQ	yes
tBWfvvsDSxQ	2026-03-15	One-off	19	Half-Life 3 possibly held for the Steam Machine launch	Release date	Speculation	unverified — no artifact or statement supports a coordinated Half-Life 3 and hardware launch.	other	Tyler's speculation and appeal to Valve; GDC 2026 Steam beanie giveaway as context.	no	SRC-VID-tBWfvvsDSxQ	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	1	NPC navigation spaces (grids)	Engine feature	Fact	needs follow-up — confirmation would require the specific Source 2 navigation-space definitions or VData schema in an HLX build.	build	Datamined Source 2 engine files accumulated over roughly five years, as described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	2	Moving platforms, gravity-shifting spaces, and crawling	Engine feature	Fact	needs follow-up — would require the corresponding NPC movement/navigation definitions in engine data.	build	Datamined Source 2 engine files described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	3	Mood system and mood files	Engine feature	Fact	needs follow-up — a mood VData file or NPC mood assignment entry would confirm it.	build	Datamined Source 2 engine/VData files described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	4	Four new flinch damage types	Engine feature	Fact	needs follow-up — the damage-type enumeration and any referencing entities or weapons in engine data would confirm it.	build	Datamined Source 2 engine files described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	5	Speculative link between sonic damage and houndeyes	Gameplay	Speculation	needs follow-up — a houndeye entity, ability, or damage-type assignment in HLX data would confirm it.	build	Tyler's inference from the existence of sonic damage types in the datamined engine data.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	6	Destructible NPC body-part system	Engine feature	Fact	needs follow-up — destructible-part definitions and hitgroup-to-destruction mappings in HLX data would confirm it.	build	Datamined Source 2 engine files; comparison to Half-Life: Alyx mechanics by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	7	Comparison to Doom Eternal weak-point system	Gameplay	Speculation	needs follow-up — gameplay-facing implementation details in HLX would show whether parts act as weak points.	build	Tyler's comparison between the datamined system and Doom Eternal.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	8	Entity modifiers	Engine feature	Fact	needs follow-up — the modifier enumeration in engine data would confirm it.	build	Datamined Source 2 engine code described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	9	Level-designer NPC tuning controls	Engine feature	Fact	needs follow-up — the corresponding entity I/O or spawnflag definitions would confirm it.	build	Datamined Source 2 engine/VData files described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	10	Expanded sound-reaction system	Engine feature	Mixed	needs follow-up — sound-event response tables and any Xen creature references in NPC data would confirm it.	build	Datamined Source 2 engine files described by Tyler; Xen-creature motivation is Tyler's inference.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	11	Base NPC VData schema and hitgroup damage	Engine feature	Fact	needs follow-up — the base NPC VData file and its difficulty-scaled hitgroup multipliers would confirm it.	build	Datamined base NPC VData file described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	12	Vehicle-hit temporary ragdoll and partial engine removal	Engine feature	Mixed	needs follow-up — comparing current and earlier engine builds for the vehicle-ragdoll entries would show what was removed.	build	Datamined Source 2 engine files described by Tyler, including observation of recent file removals.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	13	NPCV VData file from Aperture Desk Job (March 2022)	Development state	Mixed	needs follow-up — locating the NPCV VData in Aperture Desk Job build files would confirm provenance; later HLX builds would show subsequent changes.	build	Datamined files from Aperture Desk Job (March 2022 build), as described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	14	Abilities system and NPC schedules	Engine feature	Mixed	needs follow-up — schedule and task definitions in HLX data would confirm what tasks exist.	build	Datamined Source 2 engine/VData files described by Tyler; RDR2 comparison is Tyler's inference.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	15	Dynamic throwing/catching and ally health regeneration	Gameplay	Fact	needs follow-up — ability and health-regeneration definitions in HLX data would confirm it.	build	Datamined Source 2 engine/VData files described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	16	Rewritten NPC squad system and squad slots	Engine feature	Fact	needs follow-up — squad slot definitions in engine data would confirm the list and count.	build	Datamined Source 2 engine files described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	17	Ability constraints: proximity, range, cooldowns, and priority	Engine feature	Fact	needs follow-up — the squad ability constraint code and its comment would confirm the quotation.	build	Datamined Source 2 engine code, including an in-code comment quoted by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	18	Ability sound maps	Engine feature	Mixed	needs follow-up — the ability sound map and the ability definitions it references would confirm the categories and implied capabilities.	build	Datamined sound-map entries for NPC abilities described by Tyler; capability conclusions are Tyler's inference.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	19	Difficulty-scaled damage from all sources	Gameplay	Fact	needs follow-up — difficulty-scaled damage tables in HLX data would confirm the scope.	build	Datamined Source 2 engine/VData files described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	20	Enemy tracking: last known vs. last seen position, and deliberate misses	Engine feature	Fact	needs follow-up — the corresponding NPC memory and aiming-error parameters would confirm it.	build	Datamined Source 2 engine files described by Tyler.	no	build snapshot required (see sources/README.md)	yes
FT-fH7ZVqKo	2026-03-23	Every Last Detail Ep5	21	Dropping, picking up, and destroying abilities	Gameplay	Fact	needs follow-up — ability drop/pickup/destroy definitions in HLX data would confirm it.	build	Datamined Source 2 engine/VData files described by Tyler.	no	build snapshot required (see sources/README.md)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	1	Deadlock update (2026-02-05) explicitly references HLX for smoke refraction	Engine feature	Fact	verified — the strings could be re-checked in the Deadlock build of that date.	build	Datamine of the Deadlock update of 2026-02-05.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	2	Volumetric smoke emitter parameters and protobufs	Engine feature	Fact	needs follow-up — confirming the CS2 behavioural similarity would require comparing the two systems' implementations.	build	Datamine of the Deadlock update of 2026-02-05.	no	build snapshot required (see sources/README.md)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	3	Dota 2 update (2026-03-24) described as the largest HLX/Source 2 back-end dump in years	Development state	Speculation	needs follow-up — a diff of HLX-tagged strings per Source 2 build would confirm the relative size.	build	Tyler's assessment of the datamined Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	4	New tool asset icons and per-category HLX asset labeling	Development state	Mixed	verified — asset metadata in the Dota 2 build can be re-read for the 2026 timestamps.	build	Datamine of the Dota 2 update of 2026-03-24, including asset metadata creation dates.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	5	"New ""kitchen"" tool asset"	Other	Fact	verified — the asset entry can be re-checked in the build.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	6	Fountain screenplay format added as a third-party Source 2 tool	Engine feature	Mixed	needs follow-up — confirmation would require finding the tool's registration or usage in Source 2 tool configs.	build	Datamine of the Dota 2 update of 2026-03-24 plus the Fountain project's GitHub description, quoted by Tyler.	no	build snapshot required (see sources/README.md)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	7	"Choreography volume and the ""game is further behind"" argument"	Development state	Speculation	unverified — a shipping-date or milestone announcement would test the claim.	other	Tyler's analysis, using the 2003 Half-Life 2 leak and E3 2004 as the comparison.	no	SRC-VID-Jd95JQ_oZpM	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	8	New face poser icons	Engine feature	Fact	verified — icons can be re-checked in the build.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	9	Hammer locator tool with no current functionality	Engine feature	Mixed	needs follow-up — a later build where the tool is wired up would reveal its function.	build	Datamine of the Dota 2 update of 2026-03-24 and Tyler's inspection of the tool in that build.	no	build snapshot required (see sources/README.md)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	10	Asset browser gains folder tree view and spacewalk camera	Engine feature	Fact	verified — the tool UI can be re-checked in the build.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	11	New model doc tools	Engine feature	Fact	needs follow-up — the individual tools are not enumerated in the video.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	12	GPU particle lighting and ray-traced collision marked HLX-exclusive	Engine feature	Fact	verified — the conditional strings and feature flags can be re-read in the build.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	13	Volumetric emitter now uses the volumetric channel V data	Engine feature	Fact	verified — the channel reference can be checked in the Dota 2 build.	build	Datamine comparison of the Deadlock 2026-02-05 and Dota 2 2026-03-24 updates.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	14	Vehicle hit groups added to AI base NPC FGD	Gameplay	Mixed	needs follow-up — vehicle entity definitions or map placements using these hit groups would support the gameplay reading.	build	Datamine of the AI base NPC FGD in the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	15	Companion-system updates in AI default NPC FGD	Gameplay	Fact	verified — the FGD inputs can be re-read in the build.	build	Datamine of the AI default NPC FGD in the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	16	Base FGD prop-physics and navigation commands	Gameplay	Fact	verified — the FGD entries can be re-checked in the build.	build	Datamine of the base FGD in the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	17	Lights 2 FGD bounce lights and ray-tracing proxy shaders	Engine feature	Fact	verified — the FGD key and shader files can be re-read in the build.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	18	Resource compiler interest tags and repack2 out of work-in-progress	Technology	Fact	verified — the compiler strings and repack 2 status flag can be re-checked.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	19	World renderer gains aggregate RTP proxy and dynamic-shadow object types	Engine feature	Fact	verified — the renderer object type list can be re-read in the build.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	20	NPC movement capabilities expanded	Gameplay	Fact	verified — the NPC movement definitions can be re-checked in the build.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	21	Pulse updated for interactions, scene payload VData, and courier anchors	Engine feature	Fact	verified — the Pulse schema can be re-read in the build.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	22	Environment wind controller gains cloth effect	Engine feature	Fact	verified — the wind controller definition can be re-checked.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	23	V MIDI music sequencer updated to schemas with renamed commands	Engine feature	Mixed	needs follow-up — confirming V MIDI's use in Alyx would require checking shipped Alyx content.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	24	Commentary system save/load fix	Development state	Mixed	needs follow-up — the specific diff in the commentary class would confirm the save/load fix theory.	build	Datamine of the Dota 2 update of 2026-03-24, plus a report from Kayla on Tyler's Discord server.	no	build snapshot required (see sources/README.md)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	25	"""Wobbler"" Hammer helper found by Gabe Follower"	Engine feature	Fact	verified — the helper and its description can be re-read in the build.	build	Gabe Follower's datamine of the Dota 2 update of 2026-03-24, discussed by Tyler.	no	build snapshot required (see sources/README.md)	no
Jd95JQ_oZpM	2026-03-31	HLX Files #18	26	Cubemap fog curves and point shake	Engine feature	Mixed	needs follow-up — a description string or usage in a map would confirm point shake's function.	build	Datamine of the Dota 2 update of 2026-03-24.	no	build snapshot required (see sources/README.md)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	27	Eric Wolpaw interviews noted but not reviewed	Other	Unclear	needs follow-up — the interviews themselves would need to be read for any HLX content.	press	Tyler's mention of external interviews by Eric Wolpaw.	yes	SRC-VID-Jd95JQ_oZpM (URL not recorded in summary)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	28	John's Campaign mod version 2	Other	Speculation	needs follow-up — the ModDB page would confirm the version 2 date.	press	ModDB release of John's Campaign version 2, as described by Tyler.	yes	SRC-VID-Jd95JQ_oZpM (URL not recorded in summary)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	29	Gore Agulation released on Steam	Other	Speculation	needs follow-up — the Steam store page would confirm release, price, and achievements.	official	Steam listing for the Gore Agulation Half-Life 2 mod, as described by Tyler.	yes	SRC-VID-Jd95JQ_oZpM (URL not recorded in summary)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	30	Raising the Bar Arena announced	Other	Speculation	needs follow-up — the team's announcement post or store/mod page would confirm scope.	official	Raising the Bar team's public announcement, as described by Tyler.	yes	SRC-VID-Jd95JQ_oZpM (URL not recorded in summary)	yes
Jd95JQ_oZpM	2026-03-31	HLX Files #18	31	Concerns about Raising the Bar scope and team crossover	Other	Speculation	unverified — project release history over time would test the sustainability claim.	other	Tyler's analysis of public Raising the Bar project announcements and team relationships.	no	SRC-VID-Jd95JQ_oZpM	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	1	Source 2 hair strand simulation	Engine feature	Fact	needs follow-up — locate hair strand simulation code and settings in Source 2 builds, then check for HLX character assets using it.	build	Tyler's review of Source 2 engine features and files.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	2	VData drives HLX weapons, NPCs, crates, and grenades	Engine feature	Mixed	needs follow-up — inspect Deadlock/HLX VData files for weapon, NPC, crate, crate item, and grenade definitions, and check the Neon Prime recreation mod's implementation.	build	Deadlock shipped game files and prior VData datamines, plus the community Neon Prime recreation mod cited by Tyler.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	3	Procedural sound generation at runtime	Engine feature	Fact	needs follow-up — find the procedural audio system and vehicle wind generator in Source 2 files and confirm runtime behavior.	build	Tyler's analysis of Source 2 audio code and files.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	4	Speech Graphics lip-sync middleware support	Engine feature	Mixed	needs follow-up — confirm Speech Graphics SDK references in Source 2 and any HLX voice-line pipeline documentation.	build	Source 2 middleware integration files and the named Speech Graphics credits in other games.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	5	Temporal anti-aliasing and upscaler foundation	Engine feature	Fact	needs follow-up — check Deadlock's current graphics menu and Source 2 renderer for each upscaler path.	build	Deadlock graphics settings and Source 2 rendering code.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	6	Weather, precipitation, and wind systems	Engine feature	Mixed	needs follow-up — inspect the precipitation entity, volumetric fog, and wind controller definitions; no HLX map or weather sequence is shown.	build	Source 2 weather, particle, and wind system files.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	7	Ray tracing added to Source 2 in late 2025	Engine feature	Mixed	needs follow-up — locate ray tracing code and settings in Source 2 builds and determine when they appeared and whether they are optional.	build	Tyler's analysis of Source 2 engine files.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	8	Ray tracing preview in new mapping tools	Engine feature	Mixed	needs follow-up — inspect the new Source 2 map editor for ray-traced preview options and compare preview output with baked lighting.	build	Source 2 mapping tool files, as described by Tyler.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	9	AI level of detail for NPCs	Engine feature	Mixed	needs follow-up — find AI LOD fields in Source 2 NPC definitions and any HLX use.	build	Tyler's analysis of Source 2 AI code.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	10	Distance fields for ambient occlusion, shadows, and reflections	Engine feature	Mixed	needs follow-up — inspect distance field settings and usage in Source 2 and compare with Deadlock's implementation.	build	Source 2 rendering code and Deadlock's shipped character shadows.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	11	Mesh shaders for large triangle batches	Engine feature	Fact	needs follow-up — confirm mesh shader paths in the Source 2 renderer and any HLX assets designed around them.	build	Tyler's review of Source 2 rendering features.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	12	Pulse visual scripting	Engine feature	Mixed	needs follow-up — inspect Pulse graphs in Deadlock's hideout and in HLX map/UI assets.	build	Source 2 Pulse tooling, Deadlock's lobby hideout, and the historical Team Fortress 2 VScript usage.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	13	Animgraph 2 architecture and file format	Engine feature	Fact	needs follow-up — inspect `VNM clip`/`VNM skull` formats and Animgraph 2 graph definitions in Source 2 tools.	build	Source 2 animation tooling and Animgraph 2 file definitions.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	14	Animgraph 2 shipped in Deadlock and Counter-Strike 2	Engine feature	Fact	needs follow-up — check CS2 and Deadlock builds around July 28–29, 2025, and inspect current CS2 player models for Animgraph 2.	build	Deadlock and Counter-Strike 2 build contents.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	15	Dota 2 December 2025 Animgraph 2 authoring tools	Engine feature	Fact	needs follow-up — inspect the Dota 2 update's tools, Model Doc lists, and Hammer entity fields.	build	Dota 2 December 2025 update tooling and Source 2 Model Doc/Hammer changes.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	16	Animgraph 2 editors being folded into Model Doc	Development state	Speculation	needs follow-up — track Model Doc and animation editor builds over time for merged functionality.	build	Tyler's analysis of Source 2 editor tooling over roughly a year.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	17	Early HLX AnimGraph 2 use in nav link transitions	Engine feature	Mixed	needs follow-up — inspect nav link transition options and the `CAnimGraph2 save resource ops` schema entry, and find 2020-era HLX references.	build	Source 2 nav link and schema files, plus Tyler's account of HLX development history.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	18	Datamined Source 2 tool icon assets	Engine feature	Fact	needs follow-up — locate the icon assets in Source 2 tool directories and map each to its corresponding tool or entity system.	build	Datamined Source 2/HLX tool icon assets collected over five years.	no	build snapshot required (see sources/README.md)	yes
w14ZUG1EKio	2026-04-16	Every Last Detail Ep6	19	Gordin font commissioned for Half-Life 2's 20th anniversary	Other	Mixed	needs follow-up — check Gordin font files, licensing, and any HLX UI or marketing assets using it.	build	Valve's Half-Life 2 20th anniversary materials and Tyler's inference.	no	build snapshot required (see sources/README.md)	yes
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	1	Anonymized post-2020 Valve résumés	Development state	Mixed	needs follow-up — confirming would require identifying the individual profiles and their actual project assignments; the video deliberately withholds names.	resume	Publicly available LinkedIn résumés displayed in the video (anonymized), gathered by Tyler.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	yes
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	2	"Erik Wolpaw, March 2020: ""I would love to do more"""	Development state	Fact	verified — publication, date, article title and speaker are all named in the transcript and can be checked.	press	USgamer article, March 23, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	3	Chris Remo on shared enthusiasm at Valve	Development state	Fact	verified — checkable against the published USgamer article.	press	USgamer article, March 23, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	4	Dario Casali: Valve did not yet know what another Half-Life would be	Development state	Fact	verified — checkable against the published article.	press	TheGamer article, March 23, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	5	"Erik Wolpaw: ""I'm ready to sign up for the next one"""	Development state	Fact	verified — checkable against the published article.	press	TheGamer article, March 23, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	6	Robin Walker on VR exclusivity and not committing to sequels	Development state	Fact	verified — checkable against the published VGC interview.	press	VGC interview with the Half-Life: Alyx team, March 23, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	7	"Robin Walker and Kelly Davis on the ""13 years"" question"	Development state	Fact	"verified — checkable against the published VGC interview. The transcript renders the second speaker's name as ""Kelly Davis."""	press	VGC interview, March 23, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	8	"Kelly Davis: Alyx was ""a big first step"""	Development state	Fact	verified — checkable against the published VGC interview.	press	VGC interview, March 23, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	9	"Kotaku: ""we'd really like to keep making some games like this again"""	Development state	Fact	needs follow-up — the transcript does not give the Kotaku article's title or exact date.	press	Kotaku article published around the Alyx launch (March 2020).	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	yes
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	10	"Kristen Redford: unused ideas ""knocking around"""	Development state	Fact	needs follow-up — the article's title and exact date are not stated in the transcript.	press	Kotaku article, March 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	yes
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	11	"Robin Walker: Half-Life 3 always needed ""the big technological leap"""	Development state	Fact	verified — checkable against the published Polygon article.	press	Polygon article, March 23, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	12	"Robin Walker: ""I don't think there's going to be another 13 years"""	Development state	Fact	verified — checkable against the published Polygon article.	press	Polygon article, March 23, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	13	"Eurogamer: ""It might be a little sooner than that"""	Development state	Fact	verified — checkable against the published Eurogamer interview.	press	"Eurogamer ""Big Half-Life interview,"" March 24, 2020."	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	14	"USgamer, March 25, 2020: plans for the ""shadow scientist lady"""	Lore	Fact	verified — checkable against the published USgamer article.	press	USgamer article, March 25, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	15	"Fandom, April 1, 2020: the ending as ""a promise of more to come"""	Development state	Fact	verified — checkable against the published Fandom article.	press	Fandom article, April 1, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	16	Sean Vanaman: no confirmation Valve knew the sequel's story	Development state	Fact	verified — checkable against the published Fandom article.	press	Fandom article, April 1, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	17	"The Alyx post-credits scene: ""too fucking dope not to put into the game"""	Lore	Fact	verified — checkable against the published Fandom article.	press	Fandom article, April 1, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	18	"G-Man deliberately left unexplained; no ""story bible"""	Lore	Fact	verified — checkable against the published Polygon article.	press	Polygon article, April 10, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	19	"Wolpaw on the Combine's remaining presence and ""keep going forward"""	Lore	Fact	verified — checkable against the published Polygon article.	press	Polygon article, April 10, 2020.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	20	"Gabe Newell, October 19, 2020: Alyx team ""incredibly fired up"""	Development state	Fact	needs follow-up — the original recording was initially NDA-restricted; the quote could be confirmed against a released transcript or recording.	other	October 19, 2020 public conversation between Gabe Newell, Geoff Keighley and Phil Spencer, as quoted by Tyler.	no	SRC-VID-WjRHZxbSEHE	yes
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	21	"TheGamer, March 23, 2021: ending ""narrative limbo"""	Lore	Fact	verified — checkable against the published TheGamer article.	press	TheGamer article, March 23, 2021.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	22	Erik Wolpaw, March 2021: pitching something over Zoom	Development state	Mixed	needs follow-up — the podcast recording would confirm the quote but not what was pitched.	press	AIAS Game Makers podcast episode, March 29, 2021.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	yes
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	23	"Gabe Newell, July 28, 2021: Alyx ending as ""the right progression"""	Development state	Fact	verified — checkable against the published IGN interview.	press	IGN interview with Gabe Newell, July 28, 2021.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	24	"Greg Coomer, March 1, 2022: ""multiple games in development"""	Development state	Fact	verified — checkable against the published Axios interview.	press	Axios interview with Valve, March 1, 2022.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	25	"Greg Coomer, August 4, 2022: ""we want to continue to explore the Half-Life universe"""	Development state	Fact	verified — checkable against the published Famitsu article.	press	Famitsu article, August 4, 2022.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	26	"Mike Morasky, September 2024: a project he ""can't talk about"""	Development state	Mixed	needs follow-up — only an official announcement or later interview would identify the project Morasky referred to.	press	Game Maker's Notebook podcast, September 16, 2024.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	yes
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	27	Noclip Half-Life 2 documentary (2024): Brian Jacobson on innovation	Development state	Fact	needs follow-up — the published documentary can confirm the quote and the exact release date, which the transcript truncates.	press	Noclip Half-Life 2 documentary, Valve Software YouTube channel, 2024.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	yes
WjRHZxbSEHE	2026-04-25	Every Last Detail Ep7	28	Gabe Newell in the documentary: Half-Life as a vehicle for innovation	Development state	Fact	verified — the quote is attributable to a named, published documentary, though the transcript's date is incomplete.	press	Noclip Half-Life 2 documentary, Valve Software YouTube channel, 2024.	yes	SRC-VID-WjRHZxbSEHE (URL not recorded in summary)	no
zs9LdkbOzHg	2026-06-16	One-off	1	Steam Machine and Steam Frame added to Valve's verification program	Hardware	Fact	needs follow-up — confirm the Steam Machine and Steam Frame entries and their date on Steam's verified-compatibility listings.	other	Valve's Steam verification program listings, as reported in the video.	no	SRC-VID-zs9LdkbOzHg	yes
zs9LdkbOzHg	2026-06-16	One-off	2	Steam client datamine reveals a Steam Frame setup tour for Big Picture	Hardware	Fact	needs follow-up — inspect the Steam beta client for Steam Frame setup-tour strings and assets.	build	Datamine of the Steam client beta by Sadly, It's Bradley.	no	build snapshot required (see sources/README.md)	yes
zs9LdkbOzHg	2026-06-16	One-off	3	"SteamVR beta adds ""Frames"" to replace overlays"	Technology	Fact	needs follow-up — check SteamVR beta patch notes and client files for the Frames implementation.	build	SteamVR beta update and datamine, attributed to Sadly, It's Bradley.	no	build snapshot required (see sources/README.md)	yes
zs9LdkbOzHg	2026-06-16	One-off	4	Canadian regulator publishes Steam Frame radio test results	Hardware	Mixed	needs follow-up — locate the Canadian certification entry for the Steam Frame radio module and its publication date.	other	Canadian radio-equipment certification database filing for Steam Frame.	no	SRC-VID-zs9LdkbOzHg	yes
zs9LdkbOzHg	2026-06-16	One-off	5	SteamVR beta tests the Aurora VR environment	Technology	Fact	needs follow-up — confirm Aurora environment files and assets in the SteamVR beta.	build	Datamine of the SteamVR beta by Sadly, It's Bradley.	no	build snapshot required (see sources/README.md)	yes
zs9LdkbOzHg	2026-06-16	One-off	6	VR developers ship native Android builds for Steam Frame, including Bugsnax VR and VRChat	Hardware	Fact	needs follow-up — check Steam depot/manifest changes for Bugsnax VR and VRChat for Android/Steam Frame builds around June 9–11, 2026.	build	Steam store/build backend changes and developer announcements tracked by community observers.	no	build snapshot required (see sources/README.md)	yes
zs9LdkbOzHg	2026-06-16	One-off	7	Customs tracking shows VR devices imported into Valve warehouses	Hardware	Mixed	needs follow-up — review the customs records and confirm the three-week controller lead time against prior pre-order dates.	other	US import/customs declarations attributed to Valve Software, tracked by community observers.	no	SRC-VID-zs9LdkbOzHg	yes
zs9LdkbOzHg	2026-06-16	One-off	8	"Valve also imported ""game consoles,"" assumed to be Steam Machine stock"	Hardware	Speculation	needs follow-up — identify the declared product classification and model numbers in the import records.	other	Customs/import declarations attributed to Valve, plus Tyler's inference.	no	SRC-VID-zs9LdkbOzHg	yes
zs9LdkbOzHg	2026-06-16	One-off	9	Anonymous June 12 leak claims prices and reservations between June 22 and 30	Release date	Unclear	unverified — Valve's own price/pre-order announcement, or independent confirmation of the June 23 embargo and packaging photos, would confirm or refute it.	other	June 12 Twitter claim by a Steam hardware tracker citing an anonymous insider.	no	SRC-VID-zs9LdkbOzHg	yes
zs9LdkbOzHg	2026-06-16	One-off	10	Review units of Steam Machine reportedly include a Steam Controller	Hardware	Unclear	unverified — reviewer unboxings after the embargo or Valve's official SKU/pricing page would confirm it.	other	June 12 anonymous insider claim relayed by a Steam hardware tracker.	no	SRC-VID-zs9LdkbOzHg	yes
zs9LdkbOzHg	2026-06-16	One-off	11	Price expectations: about $1,000 for Steam Machine, $1,000–1,200 for Steam Frame	Hardware	Mixed	needs follow-up — Valve's official price announcement; compare against the Index launch price and the GDC wording.	other	GDC statement about Steam Frame pricing, plus an unspecified pricing rumor repeated by Tyler.	no	SRC-VID-zs9LdkbOzHg	yes
zs9LdkbOzHg	2026-06-16	One-off	12	Tyler infers Valve had not locked in RAM and component supply	Business/legal	Speculation	unverified — component orders, supplier contracts, or RAM pricing/availability data would test the claim.	other	Tyler's inference from the GDC timing and the November announcement.	no	SRC-VID-zs9LdkbOzHg	yes
zs9LdkbOzHg	2026-06-16	One-off	13	Prediction: announcement in the last week of June, sales in early July	Release date	Speculation	needs follow-up — Valve's pre-order and price announcement, and the actual first sale date.	other	Tyler's analysis of customs timing, the June 12 leak, and the Steam Controller pre-order precedent.	no	SRC-VID-zs9LdkbOzHg	yes
zs9LdkbOzHg	2026-06-16	One-off	14	HLX will not be part of the hardware pricing announcement	Release date	Speculation	unverified — Valve's actual hardware and HLX announcements would show whether the two are decoupled.	other	Tyler's sourcing and analysis; no primary artifact cited.	no	SRC-VID-zs9LdkbOzHg	yes
zs9LdkbOzHg	2026-06-16	One-off	15	HLX research and community Q&A; file size unknown even to Valve	Development state	Speculation	unverified — no HLX build, store listing, or Valve statement is offered; a Valve comment or depot metadata would be needed.	build	Tyler's statements about his research and community-tab Q&A.	no	build snapshot required (see sources/README.md)	yes
zs9LdkbOzHg	2026-06-16	One-off	16	Valve had no launch demo, despite evidence of demo development	Development state	Mixed	needs follow-up — Valve's hardware launch lineup or datamined demo packages would confirm whether such a demo exists.	build	Valve's November hardware announcement, plus Tyler's sourcing on an unannounced demo.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	1	"Dota 2 ""Dark Carnival"" variable leak and the ""Why are you reading our variables?"" rename"	Other	Fact	"needs follow-up — inspect the Dota 2 build strings or patch diffs for both the original Dark Carnival variable and the ""Why are you reading our variables?"" replacement."	build	Datamine of Dota 2 patch strings across two consecutive updates.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	2	Claim that Valve's variable rename was aimed at Half-Life dataminers	Other	Speculation	needs follow-up — collect the coverage Tyler is describing and compare its claims against the Dota 2 patch strings.	build	Tyler's analysis of press and YouTube coverage of the Dota 2 patch.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	3	Dark Carnival update ships strings for all in-development Valve projects	Development state	Fact	needs follow-up — enumerate the new strings in the shipped build and separate HLX-branch entries from other projects.	build	Datamine of the released Dota 2 Dark Carnival update.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	4	HLX rendering and GPU-driven effects strings	Engine feature	Fact	needs follow-up — confirm each string in a Source 2 HLX branch build and check whether the anti-aliasing path is HLX-exclusive.	build	Datamine of the Dota 2 Dark Carnival update, HLX branch strings.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	5	Upscaling support beyond FSR in Source 2	Engine feature	Mixed	needs follow-up — search the build for DLSS, XeSS, TSR, or equivalent upscaler strings and confirm which are active in the HLX branch.	build	Datamine of the Dota 2 Dark Carnival update, compared by Tyler with earlier HLX FSR 3 reporting.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	6	HLX audio strings: MIDI beat system, GPU-driven Hammer audio, caption and chatter variables	Engine feature	Fact	needs follow-up — locate the MIDI and GPU audio strings in the build and check for associated tool or entity names that indicate their use.	build	Datamine of the Dota 2 Dark Carnival update, HLX branch strings.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	7	HLX water and fluid simulation strings	Engine feature	Fact	needs follow-up — confirm the water material version, sky-exposure check, and fog scattering parameters in the HLX branch.	build	Datamine of the Dota 2 Dark Carnival update, HLX branch strings.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	8	HLX NPC and animation strings: vehicle transitions, choreography, path queries	Engine feature	Fact	needs follow-up — verify the animation event, choreo strafe, and path query strings in the HLX branch and whether they are new or renamed.	build	Datamine of the Dota 2 Dark Carnival update, HLX branch strings.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	9	HLX physics strings: deformable geometry, ragdoll mass and buoyancy, collision and gravity attributes	Engine feature	Fact	needs follow-up — confirm the deformation, ragdoll buoyancy, and zero-gravity attribute entries and whether they touch world geometry or only props.	build	Datamine of the Dota 2 Dark Carnival update, HLX branch strings.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	10	HLX tooling strings: large tool icon set, DNA rig, save/load optimizations	Engine feature	Fact	needs follow-up — count the new tool icons and identify what the DNA rig is used for in the editor binaries.	build	Datamine of the Dota 2 Dark Carnival update, HLX branch strings.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	11	Dark Carnival voice cast includes Half-Life actors	Other	Fact	verified — the released update's credits and the podcast episode can be checked directly.	press	Dark Carnival update credits and the VoG podcast interview with Harry S. Robbins.	yes	SRC-VID-8Fi44EB4hjk (URL not recorded in summary)	no
8Fi44EB4hjk	2026-07-06	HLX Files #19	12	Kane Parsons tours Valve and posts ambiguous hints	Other	Mixed	needs follow-up — confirm the tour, the location shown in the photo, and whether any Valve project involvement is documented.	other	Kane Parsons social media posts; Tyler's comparison with known Valve office interiors.	no	SRC-VID-8Fi44EB4hjk	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	13	Steam Machine launch: price, performance, and changed 4K 60 advertising	Hardware	Mixed	needs follow-up — archived versions of the advertising copy, independent benchmark results, and shipment/reservation data.	other	Steam Machine launch and reservation emails; Valve's advertising copy; Tyler's assessment.	no	SRC-VID-8Fi44EB4hjk	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	14	Deadlock's major content update slowdown	Development state	Mixed	needs follow-up — date the big six hero and Old Gods updates and locate Yoshi's statement in context.	build	Deadlock update release dates and a public statement by team lead Yoshi; Tyler's inference.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	15	Ragnarok described as a Rubicon evolution in a Box3D blog post	Engine feature	Fact	verified — the Box3D blog post and its Ragnarok passage can be read directly.	press	Erin Catto's Box3D open-source physics engine announcement blog post, quoting Dirk Gregorius.	yes	SRC-VID-8Fi44EB4hjk (URL not recorded in summary)	no
8Fi44EB4hjk	2026-07-06	HLX Files #19	16	Tyler's inference that Ragnarok points to a single-player Valve game	Development state	Speculation	needs follow-up — no artifact ties Ragnarok to HLX; engine binaries or an official statement would be needed.	official	Tyler's inference from the Box3D blog post and his understanding of Valve's current project mix.	yes	SRC-VID-8Fi44EB4hjk (URL not recorded in summary)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	17	Theory that HLX was decoupled from the Steam Machine minimum spec	Development state	Speculation	needs follow-up — official system requirements or developer statements would confirm or refute a spec change.	build	Tyler's inference from Steam Machine performance and the Dark Carnival datamine.	no	build snapshot required (see sources/README.md)	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	18	2025 release expectations and the reported delay	Release date	Speculation	needs follow-up — named reporting or a Valve statement would be required; no artifact is cited.	other	Unnamed insider chatter recounted by Tyler; Tyler's reconstruction of a decision meeting.	no	SRC-VID-8Fi44EB4hjk	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	19	Final Hours reprint timing treated as a signal	Other	Mixed	needs follow-up — confirm the reprint's announced and actual release dates.	other	Tyler's observation about the Final Hours reprint schedule.	no	SRC-VID-8Fi44EB4hjk	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	20	HLX still in development and occupying an entire office floor	Development state	Speculation	needs follow-up — no public evidence of floor allocation; official confirmation or credible reporting would be needed.	other	Tyler's unnamed sources and his assessment of Valve's development history.	no	SRC-VID-8Fi44EB4hjk	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	21	Chapter-rebuild rumor no longer believed	Development state	Mixed	needs follow-up — the revised claim is not specified, so no artifact can be checked.	other	Tyler's earlier rumor discussion and unnamed contacts.	no	SRC-VID-8Fi44EB4hjk	yes
8Fi44EB4hjk	2026-07-06	HLX Files #19	22	Valve's reported reaction to Dbrand's Half-Life 3 hint	Marketing	Speculation	needs follow-up — locate the Dbrand post and any Valve response or legal correspondence.	other	Tyler's account; no primary artifact cited.	no	SRC-VID-8Fi44EB4hjk	yes
Bx400IBgZVo	2026-09-04	One-off	1	Steam Frame announcement and launch timeline slips	Hardware	Speculation	needs follow-up — Valve's official announcement history and any current store listing would confirm the dates and the absence of a price.	official	Tyler's recap of prior rumors and public announcement history.	yes	SRC-VID-Bx400IBgZVo (URL not recorded in summary)	yes
Bx400IBgZVo	2026-09-04	One-off	2	VR developers given an end-of-July software deadline	Development state	Speculation	unverified — confirmation would require a named VR developer, Valve statement, or dated build submission.	build	Unattributed rumor relayed by Tyler.	no	build snapshot required (see sources/README.md)	yes
Bx400IBgZVo	2026-09-04	One-off	3	Review units shipped August 24 under postponed embargo	Marketing	Mixed	needs follow-up — reviewer disclosures, LinusTechTips content, or an embargo-lift notice would confirm the shipment and embargo dates.	other	Tyler's reporting, citing LinusTechTips hints and circulating dates.	no	SRC-VID-Bx400IBgZVo	yes
Bx400IBgZVo	2026-09-04	One-off	4	September 14 expected on-sale and price-reveal date	Release date	Speculation	needs follow-up — a Valve store page or press release dated September 14 would confirm it.	official	Tyler's inference from the circulating August 24 and September 14 dates.	yes	SRC-VID-Bx400IBgZVo (URL not recorded in summary)	yes
Bx400IBgZVo	2026-09-04	One-off	5	Reviewers seen playing Half-Life: Alyx on Steam Frame	Gameplay	Mixed	unverified — reviewer footage or a Valve demonstration would confirm what build was running.	build	Tyler's reporting of reviewer activity.	no	build snapshot required (see sources/README.md)	yes
Bx400IBgZVo	2026-09-04	One-off	6	Standalone Half-Life: Alyx port and its development timeline	Development state	Mixed	needs follow-up — the November 2025 briefing transcript or video would confirm Valve's exact wording; a build history or developer statement would clarify the development timeline.	build	Sadly It's Bradley report; Valve press briefing during the November 2025 Steam hardware announcement.	no	build snapshot required (see sources/README.md)	yes
Bx400IBgZVo	2026-09-04	One-off	7	Standalone Alyx bundled free with Steam Frame, separate from HLX	Release date	Mixed	needs follow-up — Valve's official bundle terms and credits for the standalone port would confirm the pricing and team.	other	Tyler's analysis of Valve's hardware and software plans.	no	SRC-VID-Bx400IBgZVo	yes
Bx400IBgZVo	2026-09-04	One-off	8	Valve's VR staffing remains in the single digits	Development state	Speculation	unverified — Valve headcount disclosures, job postings, or credits would be needed to check the single-digit claim.	other	Tyler's analysis of Valve staffing.	no	SRC-VID-Bx400IBgZVo	yes
Bx400IBgZVo	2026-09-04	One-off	9	Qualcomm Snapdragon 8 Gen 3 and component cost pressure	Hardware	Mixed	needs follow-up — Qualcomm's pricing announcement and a teardown or Valve spec sheet confirming the Snapdragon 8 Gen 3.	official	Qualcomm pricing announcement as relayed by Tyler; prior component-shortage reporting.	yes	SRC-VID-Bx400IBgZVo (URL not recorded in summary)	yes
Bx400IBgZVo	2026-09-04	One-off	10	Valve had no pre-existing hardware vendor contracts in November	Business/legal	Speculation	unverified — supplier contracts, court filings, or reporting on Valve's manufacturing partners would confirm it.	other	Tyler's analysis of Valve's hardware supply chain.	no	SRC-VID-Bx400IBgZVo	yes
Bx400IBgZVo	2026-09-04	One-off	11	Steam Frame price predicted at $999 or higher	Hardware	Speculation	needs follow-up — the September 14 price announcement or retailer listings.	other	Tyler's inference from component costs and prior hardware launches.	no	SRC-VID-Bx400IBgZVo	yes
Bx400IBgZVo	2026-09-04	One-off	12	Steam Machine launch as a comparison for price and availability	Hardware	Fact	needs follow-up — Valve's archived marketing page would confirm the wording change; the $1,119 price and PS5 Pro $900 price are checkable listings.	other	Tyler's first-hand ownership and testing of a retail Steam Machine; Valve marketing materials.	no	SRC-VID-Bx400IBgZVo	yes
Bx400IBgZVo	2026-09-04	One-off	13	Valve is not making a new VR game; third parties face ARM Linux porting	Development state	Mixed	needs follow-up — Valve's Steam Frame developer documentation and software lineup would confirm the platform and absence of a new first-party VR game.	other	Tyler's analysis of Valve's VR software strategy and platform requirements.	no	SRC-VID-Bx400IBgZVo	yes
Bx400IBgZVo	2026-09-04	One-off	14	Third-party color passthrough module around $200	Hardware	Speculation	unverified — a product listing or accessory announcement would confirm the price and bundle.	other	Tyler's observation of an unnamed third-party module.	no	SRC-VID-Bx400IBgZVo	yes
jpvsGr1sQAk	2026-09-14	One-off	1	Steam Frame pricing announced: $1,059 (256GB) and $1,299 (1TB) in the US	Hardware	Fact	verified — the regional price sheet could be checked against Valve's Steam Frame store listing.	official	Official Valve Steam Frame pricing announcement (as relayed by Tyler).	yes	SRC-VID-jpvsGr1sQAk (URL not recorded in summary)	no
jpvsGr1sQAk	2026-09-14	One-off	2	Power supply sold separately for $29	Hardware	Fact	verified — confirmable on the Steam Frame store page's included/optional accessories list.	official	Valve Steam Frame store listing (as relayed by Tyler).	yes	SRC-VID-jpvsGr1sQAk (URL not recorded in summary)	no
jpvsGr1sQAk	2026-09-14	One-off	3	Steam Frame Ergonomic Accessory Kit priced at $59	Hardware	Fact	verified — confirmable on the Steam Frame accessory store page.	official	Valve Steam Frame accessory listing (as relayed by Tyler).	yes	SRC-VID-jpvsGr1sQAk (URL not recorded in summary)	no
jpvsGr1sQAk	2026-09-14	One-off	4	Steam Frame Replacement Accessory Kit priced at $49	Hardware	Fact	verified — confirmable on the Steam Frame accessory store page.	official	Valve Steam Frame accessory listing (as relayed by Tyler).	yes	SRC-VID-jpvsGr1sQAk (URL not recorded in summary)	no
jpvsGr1sQAk	2026-09-14	One-off	5	Color passthrough module from Arcturus Vision compatible, $149	Hardware	Unclear	needs follow-up — confirm the exact module name, vendor, and price on Valve's or the vendor's listing.	official	Steam Frame accessory/store listing referencing an Arcturus Vision module (as relayed by Tyler).	yes	SRC-VID-jpvsGr1sQAk (URL not recorded in summary)	yes
jpvsGr1sQAk	2026-09-14	One-off	6	Zenni prescription lens inserts not currently listed	Hardware	Fact	needs follow-up — re-check the store listing; availability could change after recording.	official	Observation of Valve's Steam Frame store listing.	yes	SRC-VID-jpvsGr1sQAk (URL not recorded in summary)	yes
jpvsGr1sQAk	2026-09-14	One-off	7	Steam Frame uses the same reservation system as the Steam Machine	Release date	Fact	verified — confirmable against Valve's reservation page and the stated September 17, 2026 deadline.	other	Official Valve reservation announcement (as relayed by Tyler).	no	SRC-VID-jpvsGr1sQAk	no
jpvsGr1sQAk	2026-09-14	One-off	8	Reservation eligibility rules: account standing, prior purchase, one per household	Business/legal	Fact	verified — confirmable in Valve's reservation terms text.	other	Official Valve reservation terms (as relayed by Tyler).	no	SRC-VID-jpvsGr1sQAk	no
jpvsGr1sQAk	2026-09-14	One-off	9	Steam Frame specifications reportedly unchanged	Hardware	Speculation	needs follow-up — compare the launch spec sheet against earlier announced specifications.	other	Tyler's inference from the announced product information.	no	SRC-VID-jpvsGr1sQAk	yes
jpvsGr1sQAk	2026-09-14	One-off	10	Community-funded purchase and planned Steam Frame review	Other	Fact	unverified — would be confirmed by the eventual purchase and published review.	other	Tyler's own statements about community funding and channel plans.	no	SRC-VID-jpvsGr1sQAk	yes
jpvsGr1sQAk	2026-09-14	One-off	11	Tyler says his earlier price prediction was correct	Other	Speculation	needs follow-up — locate the earlier video to compare the predicted figure with the announced $1,059/$1,299.	other	Tyler's reference to his own earlier price claim.	no	SRC-VID-jpvsGr1sQAk	yes
jpvsGr1sQAk	2026-09-14	One-off	12	Half-Life: Alyx runs at 36 FPS natively with reprojection to 72 on Steam Frame	Technology	Fact	verified — the Digital Foundry article and the quoted frame-rate figures could be checked directly.	press	Digital Foundry interview/article with Robin Walker and Autumn Ashton.	yes	SRC-VID-jpvsGr1sQAk (URL not recorded in summary)	no
jpvsGr1sQAk	2026-09-14	One-off	13	No release date for the standalone Alyx port; reviewers already testing it	Release date	Mixed	needs follow-up — an official Valve release announcement or store page for the standalone port would confirm timing.	press	Digital Foundry article (absence of a date) and a Linus Tech Tips video (reviewer access); Tyler's inference on timing.	yes	SRC-VID-jpvsGr1sQAk (URL not recorded in summary)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	1	Valve audio-engine talk at the Game Sound Convention, October 21, 2026	Technology	Fact	needs follow-up — the convention program or a recording would confirm the title, time slot, and speaker list.	other	"Game Sound Convention presentation ""Valve's Approach to an Open and Flexible Audio Engine,"" as described by Tyler."	no	SRC-VID-5nR6GfshoYw	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	2	HLX codename spoken directly during the audio talk	Development state	Mixed	needs follow-up — the full talk recording would confirm the exact wording and whether the codename appears earlier in the session.	other	Recording of the Game Sound Convention Q&A, played in the video.	no	SRC-VID-5nR6GfshoYw	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	3	Mike Morasky's tenure on Valve's sound team	Other	Mixed	needs follow-up — Valve game credits and Morasky's film credits would confirm the roles and dates.	other	Tyler's summary of Morasky's public career and credits, plus Morasky's remarks in the convention talk.	no	SRC-VID-5nR6GfshoYw	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	4	"Robin Walker interview clip on not making a VR game because Valve was ""too busy"""	Other	Unclear	needs follow-up — locating the original Walker interview would establish its date, outlet, and exact wording.	press	Robin Walker press-interview clip played in the video, with Tyler's framing.	yes	SRC-VID-5nR6GfshoYw (URL not recorded in summary)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	5	Three engine-level updates datamined two weeks apart	Development state	Mixed	needs follow-up — the three build dates and a diff of HLX-tagged strings per build would confirm the cadence and scope.	build	Datamine of the CS2 Rush Hour, Deadlock City Never Sleeps, and Dota 2 Inside the Trove of Terror updates.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	6	Caveat that engine-database strings do not date the code	Development state	Speculation	unverified — only internal commit dates or a Valve statement would establish how long individual strings predate their public appearance.	build	Tyler's analysis of how Source 2 public builds relate to internal Valve work.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	7	"""Ranger Trap Helper"" Hammer assistant"	Engine feature	Mixed	"needs follow-up — the helper's entity definition and any associated NPC or weapon names would clarify what ""Ranger"" and the trap cable belong to."	build	Datamine of the three engine updates (CS2 Rush Hour, Deadlock City Never Sleeps, Dota 2 Inside the Trove of Terror), Hammer helper strings.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	8	"""Flyer"" enemy with flanking AI"	Gameplay	Mixed	"needs follow-up — model, entity, or animation names tied to ""flyer"" would identify the enemy."	build	Datamine of the three engine updates, AI/flanking strings, plus Tyler's comparison to Half-Life: Alyx enemies.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	9	Combine gunship bomb drops and mapper-placed bomb drop target	Gameplay	Mixed	needs follow-up — the bomb drop target's keyvalues and any map or choreography scene using it would confirm the scripted use.	build	Datamine of the three engine updates, gunship and bomb drop target strings, compared with Half-Life 2 entity behavior.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	10	"""HLX cover preview"" Hammer helper"	Engine feature	Mixed	needs follow-up — the helper's exposed keyvalues would confirm the distance, peek, narrowness, and model-size parameters.	build	"Datamine of the three engine updates, ""HLX cover preview"" Hammer helper strings."	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	11	"""Threshold"" tactical tip for AI"	Gameplay	Mixed	needs follow-up — the tip's description string or its use in an AI behavior tree would confirm the meaning.	build	Datamine of the three engine updates, AI tactical tip strings.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	12	Hammer's Xen animation artist for placing Xen flora and fauna	Engine feature	Mixed	needs follow-up — the tool's parameters and a map using it would show the added detail relative to Half-Life: Alyx.	build	Datamine of the three engine updates, Hammer Xen animation tool strings and demonstration images.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	13	Cloth reacting to bullets and melee	Engine feature	Mixed	needs follow-up — cloth hit-reaction parameters and any Deadlock use would test both parts of the claim.	build	Datamine of the three engine updates, cloth interaction strings.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	14	Held-object rules for fire, ignition temperature, and hold time	Gameplay	Mixed	needs follow-up — the item rule definitions and material ignition properties would confirm the mechanics and their dependencies.	build	Datamine of the three engine updates, held-object and physics rule strings.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	15	"""Half-Life Hammer"" feature set and surface-graph rebuild"	Engine feature	Mixed	needs follow-up — launching the Source 2 tools with the Half-Life feature set would confirm the surface-graph rebuild option.	build	"Datamine of the three engine updates, ""Half-Life Hammer"" feature-set strings, plus Tyler's explanation of Source 2 tooling."	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	16	Precipitation audio operators that respond to surface and shelter	Engine feature	Mixed	needs follow-up — the talk recording or slides would confirm the rain-operator parameters and their material and indoor/outdoor conditions.	other	"Valve's ""Valve's Approach to an Open and Flexible Audio Engine"" talk at the Game Sound Convention, as described by Tyler."	no	SRC-VID-5nR6GfshoYw	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	17	Claim that Valve is disguising HLX features by porting them to Deadlock	Development state	Speculation	unverified — an HLX build, a Valve statement, or Deadlock shipping these features would test the porting claim.	build	Tyler's analysis of the audio talk and the datamined strings shared between HLX and Deadlock.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	18	"""HLX Basic Projectile Emitter Helper"""	Engine feature	Mixed	needs follow-up — the helper's seed and randomization parameters would confirm the behavior it previews.	build	"Datamine of the three engine updates, ""HLX Basic Projectile Emitter Helper"" strings and tooltip."	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	19	"Source Filmmaker 2 ""Gen Biped"" bone classification update"	Engine feature	Mixed	needs follow-up — the SFM default animation groups file and the Gen Biped bone list can be re-read, and comparing the names against MetaHuman rigs would test the compatibility claim.	build	Kayla's datamine of the Source Filmmaker 2 updates, quoted by Tyler, plus the HLX tracking board.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	20	Valve commit-number surge	Development state	Mixed	needs follow-up — reproducing the commit-number chart from the public builds would confirm the trend, though not its cause.	build	Public Source 2 commit numbers in CS2, Deadlock, and Dota 2 updates, plotted by Tyler.	no	build snapshot required (see sources/README.md)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	21	AI use at Valve since 2024	Development state	Mixed	needs follow-up — the referenced 2024 material would need to be identified, and commit composition is not public.	other	Tyler's account of references to AI tooling in Valve's development since 2024.	no	SRC-VID-5nR6GfshoYw	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	22	Prediction that HLX will not be announced in 2026	Release date	Speculation	unverified — an official announcement before the end of 2026 would refute it.	press	Tyler's inference from the commit-number trend and development signals.	yes	SRC-VID-5nR6GfshoYw (URL not recorded in summary)	yes
5nR6GfshoYw	2026-10-22	HLX Files #20	23	Post-credits note on a planned Morasky interview	Other	Unclear	unverified — only a published interview or a statement from the parties involved would confirm the account.	press	Tyler's account in the post-credits segment.	yes	SRC-VID-5nR6GfshoYw (URL not recorded in summary)	yes