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Portal 2 | Game Front

Portal 2 Peer Review DLC Walkthrough

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Portal 2 Walkthrough

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An even better companion than the Companion Cube.

Portal 2 at a Glance

  • Platform(s): PC, Playstation 3, Xbox 360
  • Genre: PUZZLES
  • Developer: Valve
  • Publisher: Valve
  • ESRB Ratings: Rating Pending/NA
  • Release Date: April 21, 2011