Portal: Survive! is a live-action short film based on the Portal game, and its tie-in comic Portal 2: Lab Rat.
Portal: Terminal Velocity
See what three guys can do with a portal gun in this funny and clever short film, Portal: Terminal Velocity.
Portal: No Escape
Check out this excellent short film based on the Portal video games, called Portal: No Escape.
Portal 2: Lab Rat - Part One
Read part one of Portal 2: Lab Rat, a comic created by Valve to bridge the old and new game in the series.