Half-Life: Raise the Bar is a fan-made short film inspired by the Half-Life franchise.
Beyond Black Mesa
Check out Beyond Black Mesa, an action packed short fan film based on the Half-Life series.
Portal 2 - Turret Trailer
Valve spills the beans on the technical aspects of the turrets encountered in Portal 2.
Portal 2 - TV Spot
Valve has released a fun tv spot for thier upcoming game, Portal 2.