Portal: Terminal Velocity
See what three guys can do with a portal gun in this funny and clever short film, Portal: Terminal Velocity.
Portal 2 - Valentine Trailer
Valve have shown us they're true romantics, with this special trailer for Portal 2.
Meet the Medic - Behind the Scenes
See outtakes and learn about Valve's creative process in this behind the scenes article for their Meet the Medic short.