Lil Guardian Pyro is the winner for the best overall prize at this year's Valve Saxxy annual animated film competition.
Team Fortress 2 - ZombiU Crossover (Source Filmmaker)
This Team Fortress fan animation created with Source Filmmaker is a cool tribute to the ZombiU CG trailer.
Portal 2 - Perpetual Testing Initiative
Valve are introducing the Perpetual Testing Initiative for Portal 2 with this new amusing trailer.
The first minutes of the original Half-Life are brought to life in this live action short, Half-Life: Origins.