Massive Leak Reveals Hidden and Canceled Video Games From Steam

A leak of 12 terabytes of data from Steam, Valve's game platform, has exposed unfinished versions of major games from 2003–2013 — including early builds of Call of Duty and Resident Evil. Cancelled projects from Valve itself also surfaced, such as assets for Half-Life 2: Episode 3 and a Portal-related game called F-Stop.