Portal is a 3D puzzle platformer released as part of the Orange Box in October 2007. Using only your smarts and a gun that shoots portals, this game follows Chell as she attempts to stay alive while completing tests for the sentient robot GLaDOS. This video game review is brought to you by Classic Game Room's Jen and features gameplay footage from the Xbox 360 version of Portal, published and developed by Valve. Available on Xbox 360, Playstation 3, Windows, and Mac.

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