12TB Steam leak reveals unseen Half-Life 2: Episode 3 builds
A massive 12TB data leak from Valve's legacy infrastructure has provided the public with access to internal projects and scrapped game concepts from 2003 to 2013. The archive includes early assets for Half-Life 2: Episode 3 and Portal 2, offering a rare look at the company's development history.
Why it matters
The leak serves as a significant historical archive for gaming enthusiasts and researchers interested in the evolution of major software titles.
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(Image credit: Valve) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Valve might've just suffered its biggest data leak in history, but it wasn't a hack or a security breach. Instead, the company left an endpoint to its legacy infrastructure accessible to the public, from where archivists extracted 12-13TB of old game content. The files are still being explored, but we know they include both Valve's internal projects and third-party releases, with an early weapon asset from Half-Life 2 Episode 3 being the key discovery, along with scrapped Portal 2 concepts.
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