You begin as Chell, the mute female test subject from the first game once again trying to escape the confines of Aperture Science with the help of a charming A.I. named Wheatley. Things only go downhill from there as you dig deeper into the ruins of the old facility; learning of its hidden past while forming an unlikely ally...

Experience this amazing game for yourself. The excellent; witty humor, the challenging puzzles, the well-crafted story, the intricate level design, the lovable characters, the tremendous voice acting and the unbelievable creativity shine through in all aspects. The story will last you for several hours, but once you finish it to the end there is so much more to do. A multitude of community workshop maps to get your hands on as well as the amazing co-op mode featuring the test subjects ATLAS and P-Body make this game a must have.

Portal 2 is one of the greatest games of this generation and stands as Valve's remarkable achievement. It improves upon the first game in every way, while standing brilliantly on it's own. Every steam user should have this game in their library. It recieves my highest recommendation.