Console: X-Box 360, PS3, PC
Synopsis: The sequel to a popular short game, most commonly released as a part of the “Orange Box”, this game sees you reprise the role of Chell, once again being tested by the evil A.I. GLaDOS. This is primarily a puzzle game where you use a portal gun to solve the best method to get to the next exit. The difficulty and number of challenges from each puzzle has also been expanded from the original game.