12TB Steam server dump resurfaces decade of unreleased game versions

A massive 12-terabyte data dump from Valve's legacy Steam2 servers has surfaced, containing thousands of game versions from 2003 to 2013. The leak includes pre-release and prototype builds, revealing cut content from Portal 2 and potential clues about Half-Life 2: Episode 3. The data was previously thought lost after Valve transitioned to the SteamPipe system in 2013.
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12TB Steam archive leak exposes decades of unreleased Valve game builds · Software & cloud
Also covered by: Tom's Hardware · The Verge
This summary is AI-generated and original to Mobble; the linked article is the authoritative source.
Original headline: “A 12TB Steam “teraleak” spills more than a decade of lost PC gaming history.” Browse more stories.