Portal 2 - GoKawiil

12TB archive of Valve's old Steam2 files leaks, exposing lost game builds

A 12-terabyte trove of Steam2-era content dating from 2003 to 2013 has appeared online, reportedly containing nearly every uploaded build for that decade, including cut Portal 2 assets, Half-Life 2: Episode 3 files, and beta versions of Left 4 Dead 2, CS:GO, Spore, and Dragon Age: Origins. Researchers say the material came from an unsecured public API tied to Valve's old distribution system, which was replaced by SteamPipe in 2013 and left this data exposed without any password protection.

games.slashdot.org · 2026-08-31

12TB Steam data leak exposes unused Half-Life 2: Episode 3 and Portal 2 content

A massive 12-terabyte leak containing builds of nearly every game uploaded to Steam between 2003 and 2013 has surfaced online. Researchers combing through the trove have already found scrapped assets from the canceled Half-Life 2: Episode 3, cut Portal 2 material including alternate dialogue and intro sequences, and early builds of titles like Call of Duty, Resident Evil, Mirror's Edge, and Dragon Age: Origins.

theverge.com · 2026-08-30