Valve show a grittier more realistic use for Source Filmmaker with a trailer for Counter-Strike: Global Offensive.
When Gordon Met Chell
Portal joins forces with Half-Life in this short film called When Gordon Met Chell.
Team Fortress 2 - Mann vs. Machine
A robot faction is introduced into the Team Fortress 2 equation, via this amazing new trailer by Valve.
Portal 2 - TV Spot
Valve has released a fun tv spot for thier upcoming game, Portal 2.