Portal 2</em>, hints of Half Life 2: Episode 3</em>, and a lot extra.”,”image_url”:”https://cdn.arstechnica.internet/wp-content/uploads/2026/08/teraweapon-500×500.jpg”,”listing_image_url”:”https://cdn.arstechnica.internet/wp-content/uploads/2026/08/teraweapon-768×432-1788124931.jpg”}”>
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Minimize content material from Portal 2, hints of Half Life 2: Episode 3, and a lot extra.
Right here at Ars, we’re intimately familiar with data leaks surrounding Valve’s games, hardware, and the workings of Steam itself. However nothing might have ready us for this weekend’s “terarelease” encompassing greater than 12TB of content material associated to seemingly each title out there on Steam between 2003 to 2013.
What’s being offered as an “as-complete-as-possible … content material server dump” of Steam’s defunct “Steam2” server structure from that point interval is now circulating round through a BitTorrent tracker that Valve appears unlikely to ever fully purge from the Web. The large assortment contains thousands of “depots” representing what appears to be each model of each sport uploaded to these previous Steam2 servers. That features public launch builds, after all, however in lots of circumstances additionally covers beforehand unseen pre-release, prototype, and playtest variations of standard titles printed by Valve and third-party Steam publishers.
Steam2: Electrical Boogaloo
The rationale this weekend’s leaked content material cuts off abruptly in 2013 is as a result of that’s when Valve updated its content distribution system from “Steam2” to the current SteamPipe system. In transferring from a proprietary file distribution format to plain HTTP file bushes, the brand new system removed various update approval bottlenecks on Valve’s finish and streamlined replace and patch downloads so that they solely mirrored file differentials.
Publicly accessible early variations of some video games launched earlier than this SteamPipe transition had been considered lost content by archivists, now not accessible from Valve itself and residing on solely as native downloads on getting older machines. Apparently all that content material wasn’t as misplaced as many thought, although. Longtime Valve watcher and knowledge miner Gabe Follower (previously) wrote on social media this weekend that he had “verified that every thing in Steam2 Teraleak was obtained through a publicly accessible [API] endpoint. It’s Valve’s fault…”
Spanish-language Valve streamer and analyst Scolcer also said on social media (through machine translation) that the teraleak was “obtained from a website that was 100% accessible to the general public. It was there for everybody to obtain. No passwords. Nothing. Hidden in plain sight, however with no safety in any respect.”
Gabe Follower walks us by a few of what’s been discovered within the teraleak up to now.
What’s unclear proper now if that API and publicly out there Steam2 server content material had been accessed not too long ago or if this weekend’s leak represents content material that was privately archived earlier than the 2013 server transition and is simply now being made public. “It might more-so be a set of various those who knew about it and accrued no matter folks had downloaded again then into this large archive,” mentioned The One Epicplayer, a moderator on the Valve Minimize Content material (VCC) Discord, which has lengthy adopted Valve betas and leaks.
“I haven’t been stuffed in on the total particulars however my suspicion is that these depot [files] had been downloaded a very long time in the past and sat in a non-public assortment,” CrazyBubba, one other VCC Discord moderator, advised Ars. “There have been a lot of leaks a couple of years again and many of us hoarded information for years. … traditionally there have been points with folks lording content material over different members.”
A readme file included with the leak provides “heat n good needs to all hoarders who had stuff from this assortment <3″ and encourages customers to reflect and share it as extensively as attainable. On the VVC Discord, a consumer purporting to be the unique uploader of the teraleak (who provided screenshots of a 22TB server add log amongst their proof) wrote that “getting this out actually took a major quantity of effort from me and I would love it if it didn’t go to waste.”
Now you’re pondering with previous Portals
Whatever the hows and whys of the leak, keen gaming communities have wasted no time in digging by the “teraleak” in search of cut content and playable early versions of many now-classic PC video games.
A number of playable pre-release variations of Portal 2 include a few of the most intriguing lower content material found up to now. Already, teraleak diggers are discovering deleted sequences together with new dialogue from GLaDOS and Aperture CEO Cave Johnson’s consciousness trapped in a cube (“My life is torture, please kill me,” a scratch monitor model of Johnson says in lower dialogue that was previously seen in a text file included with the game). The early improvement model additionally apparently contains enjoyable options like perfectly circular portals, an adhesive gel and slow-motion guns, and an interesting looking weapon model that was previously seen in official Valve documentary footage of the unreleased Half-Life 2: Episode 3.
“My life is torture, please kill me”
Whereas there aren’t any playable “Half-Life 3 confirmed” depots included within the leak, knowledge trawlers have reportedly found some “ep3” data files seemingly associated to the perpetually delayed expansion. Valve followers are additionally digging in to early betas of Left 4 Dead 2 and CS: GO that includes never-before-seen lower content material, and some intriguing models and graphics related to F-Stop, the cancelled, camera-based game initially deliberate as a sequel to Portal.
Other than Valve’s personal printed video games, the teraleak additionally contains myriad early variations of titles from the numerous third-party publishers that had been on Steam earlier than 2013. Betas and prototypes for video games ranging from Spore and Dragon Age: Origins to Batman: Arkham Asylum, Sonic the Hedgehog 4, and Spec Ops: The Line are amongst those who knowledge miners have already recognized for additional research. And whereas that listing gained’t include the early variations of these video games that stayed on builders’ native computer systems and workplace networks, the playtest variations that had been usually uploaded to Valve’s servers close to launch usually nonetheless include some attention-grabbing content material.
Habilidades eliminadas de la beta de Portal 2:
-Gel adhesivo
-Cámara lenta
-El weaponizer de Half-Life 2: Episodio 3 probablemente se usaba de placeholder para el arma de pintura pic.twitter.com/qQgfS76EXs— Scolcer (@scolcer_) August 30, 2026
Although tis weekend’s leak doesn’t include any video games launched within the final 13 years, the main publishers affected doubtless nonetheless gained’t be too blissful that Valve’s lax safety apparently led to their beforehand unreleased early work product leaking out to the general public (to not point out the piracy implications of releasing such a whole, if outdated, assortment of Steam content material). The teraleak highlights how Valve’s personal servers now function an especially high-profile single level of failure for the safety of a large chunk of PC sport improvement historical past.
Some are frightened concerning the authorized implications of dealing with such massive portions of beforehand personal sport builds as effectively. “That archive accommodates a major quantity of third celebration content material, that means we’re coping with a dramatically extra harmful state of affairs than if it had been just a few Valve builds,” longtime Valve watcher Tyler McVicker wrote on social media. “Don’t contact it, it’s HOT. Take it from somebody who acquired in bother for beta stuff prior to now.”
Six years in the past, a highly publicized “gigaleak” of Nintendo’s internal development files solid a highlight on numerous beforehand unknown corners of the corporate’s historical past. This weekend’s leak appears poised to do the identical for big parts of PC gaming historical past.
