Portal joins forces with Half-Life in this short film called When Gordon Met Chell.
Protector is an animated short created in Source Filmmaker about the harsh realities of civil protection in Half-Life's City 17.
Counter-Strike: Global Offensive - Trailer
Valve show a grittier more realistic use for Source Filmmaker with a trailer for Counter-Strike: Global Offensive.
Team Fortress 2 - Mann vs. Machine
A robot faction is introduced into the Team Fortress 2 equation, via this amazing new trailer by Valve.