Valve are introducing the Perpetual Testing Initiative for Portal 2 with this new amusing trailer.
Portal Trick Shots - VFX Breakdown
Corridor Digital talk about how they created their recent Portal Trick Shots short film.
Lil Guardian Pyro
Lil Guardian Pyro is the winner for the best overall prize at this year's Valve Saxxy annual animated film competition.
Source Filmmaker - Valve Favorites
Valve are showcasing some of the best short animations created with their new Source Filmmaker software.