Portal joins forces with Half-Life in this short film called When Gordon Met Chell.
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 - Perpetual Testing Initiative
Valve are introducing the Perpetual Testing Initiative for Portal 2 with this new amusing trailer.
Team Fortress 2 - Mann vs. Machine
A robot faction is introduced into the Team Fortress 2 equation, via this amazing new trailer by Valve.