Portal joins forces with Half-Life in this short film called When Gordon Met Chell.
Portal Trick Shots
Corridor Digital combine the science of Portal with basketball trick shots in their latest short film.
Protector is an animated short created in Source Filmmaker about the harsh realities of civil protection in Half-Life's City 17.
Team Fortress 2 - Mann vs. Machine
A robot faction is introduced into the Team Fortress 2 equation, via this amazing new trailer by Valve.