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.
Portal 2 - Authoring Tools Open Beta
The universally acclaimed Portal 2 is getting a level editor. Valve has launched an open beta for the game's authoring tools.
Portal 2 - TV Spot
Valve has released a fun tv spot for thier upcoming game, Portal 2.