A 12TB Steam “teraleak” spills more than a decade of lost PC gaming history

August 30, 2026 · 7:14 pm 3 sources

Image: The Verge

Coverage

Coverage

• Enormous 12TB Steam leak includes abandoned Half-Life 2: Episode 3 assets
  The Verge · August 30, 2026 19:14
  Over 12 terabytes of data, containing builds of every game uploaded to Steam between 2003 and 2013, has been leaked. We don't know everything in the archives yet because of its massive size. But people have already dug up assets related to the canceled Half-Life 2: Episode 3, content cut from…
• A decade's worth of Steam files totaling more than 12TB has leaked
  Engadget · August 30, 2026 19:16
  The leak contains beta builds and finished games from Valve and third-party developers.
• A 12TB Steam “teraleak” spills more than a decade of lost PC gaming history
  Ars Technica · August 30, 2026 21:40
  Cut content from Portal 2 , hints of Half Life 2: Episode 3 , and so much more.