Portal: Survive! is a live-action short film based on the Portal game, and its tie-in comic Portal 2: Lab Rat.
When Gordon Met Chell
Portal joins forces with Half-Life in this short film called When Gordon Met Chell.
Portal: No Escape
Check out this excellent short film based on the Portal video games, called Portal: No Escape.
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.