Valve, in partnership with Aperture Science dba Aperture Laboratories, announced today the release of "Turrets", a promotional video for the long awaited consumer version of Aperture's military-grade turret line.
Valve has released a new trailer for Portal 2. This is a more extensive look at the coop portion of the game. This trailer contains almost two minutes of footage.
Valve has released a new trailer for Portal 2. The cooperative portion of the game features different characters, challenges, and story than the single player portion of the game.
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