Wire report

Enormous 12TB Steam leak includes abandoned Half-Life 2: Episode 3 assets

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 Portal 2, and a […] 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 Portal 2 , and a build of a game called F-Stop that's set in the Portal universe but is built around a camera mechanic. The leak also includes titles from third-party developers. Early versions of Call of Duty and Resident Evil installments have been dug up, as have builds of Mirror'

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Why it mattersTechnology

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 Portal 2, and a […] 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 Portal 2 , and a build of a game called F-Stop that's set in the Portal universe but is built around a camera mechanic. The leak also includes titles from third-party developers. Early versions of Call of Duty and Resident Evil installments have been dug up, as have builds of Mirror'

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What happened

According to The Verge’s source item, Enormous 12TB Steam leak includes abandoned Half-Life 2: Episode 3 assets, 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 Portal 2, and a […] 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 Portal 2 , and a build of a game called F-Stop that’s set in the Portal universe but is built around a camera mechanic. The leak also includes titles from third-party developers. Early versions of Call of Duty and Resident Evil installments have been dug up, as have builds of Mirror’

Context

The development sits in VINI’s Technology file for readers following technology, science, product policy, markets, infrastructure, and the public consequences of innovation. The original report is linked so readers can check the source account, follow later updates, and compare new coverage against the first published record. The source item is dated 2026-08-30T19:14:08+00:00.

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Source

Primary source: Enormous 12TB Steam leak includes abandoned Half-Life 2: Episode 3 assets via The Verge. VINI cites and links the source; it does not reproduce the publisher’s full article text without rights clearance.

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