A massive 12TB leak of Valve's defunct Steam2 server infrastructure has surfaced, containing over a decade of PC gaming history from 2003 to 2013. The dump includes thousands of depots with public, pre-release, prototype, and playtest builds of games from Valve and third-party publishers, offering an unprecedented archival window into early Steam-era development.
Background
Valve transitioned from its proprietary Steam2 system to the modern SteamPipe architecture in 2013, replacing it with standard HTTP file trees and differential updates. This leak represents one of the largest game-related data dumps in history.
- Source
- Ars Technica
- Published
- Aug 31, 2026 at 05:40 AM
- Score
- 7.0 / 10