October 2, 2012 at 3:31PM First non-game titles now available on Steam, game dev tools lead the charge
August 6, 2012 at 8:01AM Valve reportedly preparing second-generation Source engine, kinda explains the Episode Three delay
June 28, 2012 at 6:55PM Valve Source Filmmaker makes a movie out of any Source game, now you're directing with Portals (video)
