Portal is a single-player first-person action/puzzle video game developed by Valve Corporation. The game was released in a bundle package called The Orange Box for Microsoft Windows and Xbox 360 on October 9, 2007, and for the PlayStation 3 on December 11, 2007. The Windows version of the game is also available for download separately through Valve's content delivery system Steam and was released as a standalone retail product on April 9, 2008. A...
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Portal is a single-player first-person action/puzzle video game developed by Valve Corporation. The game was released in a bundle package called The Orange Box for Microsoft Windows and Xbox 360 on October 9, 2007, and for the PlayStation 3 on December 11, 2007. The Windows version of the game is also available for download separately through Valve's content delivery system Steam and was released as a standalone retail product on April 9, 2008. A stand-alone version called "Still Alive" was released on the Xbox 360 Live Arcade system on October 22, 2008; this version includes an additional fourteen puzzles.
The game consists primarily of a series of puzzles that must be solved by teleporting the player's character and simple objects using the Aperture Science Handheld Portal Device ("ASHPD", also dubbed the "portal gun"), a unit that can create inter-spatial portals between flat planes. The player character is challenged by an AI named "GLaDOS" to complete each puzzle in the ...
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