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Portal: Still Alive

Platform(s): Xbox 360
Genre: Puzzle
Publisher: Microsoft
Developer: Valve

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Portal: Still Alive

Portal: Still Alive features the full Portal single-player game from Valve plus a new challenge mode. Designed to change the way players approach, manipulate and surmise the possibilities in any given environment, Portal has you solve physical puzzles and challenges by opening portals to maneuvering objects, and yourself, through space.