This Game
Action - Released: Oct 10, 2007

Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.

More Action videos
More videos from Valve
More about this game
Title: Portal
Genre: Action
Developer: Valve
Publisher: Valve
Release Date: Oct 10, 2007