The Steam 'teraleak' extends far beyond Valve games, including prototypes of third-party titles like Mafia 2 and Grand Theft Auto 3: 'This may be one of if not the biggest leaks to occur'
Hundreds of Steam file groups were included in the leak relating to game builds, trailers, soundtracks and more.
On Saturday, whispers emerged about a colossal data breach of Valve, known as the "teraleak." The leak, which comprises 12 terabytes of information, appears to be far more extensive than previously assumed. While it initially contained prototypes of classic Valve games like Portal 2 and potential Half-Life 2: Episode 3 weapons, the leak may also include prototypes of numerous third-party games that were released on Steam over a decade ago.
The leak includes file groups called "depots" that were stored on Valve's servers from 2003 to 2013. A Reddit user, RefreshingCapybara, shared a comprehensive list of these depots, which includes trailers, teasers, soundtracks, demos, game trials, and more. It's been reported that Hidden Palace has identified several of these depots containing obtainable builds, such as prototypes of Spec Ops: The Line, Civilization V, Mafia 2, and Grand Theft Auto 3.
Furthermore, the leaked data likely comprises a collection amassed from various sources over time. The inclusion of multiple third-party prototypes in the leak may also render it legally risky. Valve dataminers have already discovered a complete 2009 beta of Portal 2, as well as prototypes for Left 4 Dead, Counter-Strike: Global Offensive, and even files from Valve's cancelled puzzler F-STOP.
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