The game, set in the desolate, labyrinthine Aperture Science facility, challenges the player to navigate test chambers created by the artificial intelligence GLaDOS, using a portal gun, a device able to create portals that link two points in space like a wormhole. Portal 2 is a physics-based puzzle-platform game created by Valve and released on Microsoft Windows, Mac OS X, PlayStation 3, Xbox 360 and Linux in April 2011. Soundtrack and related music of the video game Portal 2