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Massive 12TB Steam leak reveals decade of Valve's unreleased game data

A massive data leak of approximately 12TB of Steam files from 2003 to 2013 has surfaced online. The leaked data includes beta builds and finished games from Valve Corporation, as well as titles from third-party developers. Among the most significant discoveries are early assets and builds for unreleased or canceled projects like Half-Life 2: Episode Three and F-Stop, alongside extensive content for games such as Portal 2, Left 4 Dead, and Counter-Strike: Global Offensive. AI

RANK_REASON Leak of historical game development data from a major platform.

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AI-generated summary · Google Gemini · from 7 sources. How we write summaries →

Massive 12TB Steam leak reveals decade of Valve's unreleased game data

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0 / 100
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Tool
Leak of historical game development data from a major platform.
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7 independent sources
Strong cross-source corroboration — multiple independent publishers covered this within the clustering window.
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product, other
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Low
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56 days old
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+2 source(s) since last score
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Full methodology in our editorial standards.

COVERAGE [7]

  1. Engadget TIER_1 English(EN) · [email protected] (Jackson Chen) ·

    A decade's worth of Steam files totaling more than 12TB has leaked

    The leak contains beta builds and finished games from Valve and third-party developers.

  2. Tom's Hardware TIER_1 English(EN) · Hassam Nasir ·

    Massive 12TB Steam leak reveals decades of unreleased games — archived files include unseen Half-Life 2: Episode 3 builds and assets

    Early builds of Valve games from 2003 to 2013 have been found in a 12TB archive pulled from the company's old servers. These pre-release versions act like time capsules, preserving the state of the game from before it underwent massive changes.

  3. Mastodon — sigmoid.social TIER_1 English(EN) · [email protected] ·

    🎮 Colossal 13TB Steam Leak Reportedly Includes Beta Builds Of Portal 2, Left 4 Dead 2, And Much More The alleged Steam depot data reportedly spans from 2003 to

    🎮 Colossal 13TB Steam Leak Reportedly Includes Beta Builds Of Portal 2, Left 4 Dead 2, And Much More The alleged Steam depot data reportedly spans from 2003 to 2013, and contains pre-release builds of potentially thousands of first and third-party games 📰 Source: Kotaku 🔗 Link: h…

  4. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    📰 A 12TB Steam 'Teraleak' Spills More Than a Decade of Lost PC Gaming History A massive 12TB archive of old Steam2 content has surfaced online, apparently conta

    📰 A 12TB Steam 'Teraleak' Spills More Than a Decade of Lost PC Gaming History A massive 12TB archive of old Steam2 content has surfaced online, apparently containing nearly every version of games uploaded to Valve's servers between 2003 and 2013, including unreleased prototy... 📰…

  5. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    📰 A decade's worth of Steam files totaling more than 12TB has leaked The leak contains beta builds and finished games from Valve and third-party developers. 📰 S

    📰 A decade's worth of Steam files totaling more than 12TB has leaked The leak contains beta builds and finished games from Valve and third-party developers. 📰 Source: Engadget - Technology News & Expert Reviews 🔗 Link: https://www.engadget.com/2247128/a-decade-worth-of-steam-file…

  6. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    📰 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

    📰 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 pe... 📰 S…

  7. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    🎮 12TB Valve archive leak includes early Portal 2 builds and hints of Half-Life 2: Episode Three A leaked archive said to contain around 12TB of old Valve devel

    🎮 12TB Valve archive leak includes early Portal 2 builds and hints of Half-Life 2: Episode Three A leaked archive said to contain around 12TB of old Valve development files, dated between 2003 and 2013, has surfaced online, and fans are already combing through it for any trace of…