Portal 2
Portal 2 is a unique first-person Action-Puzzle-Platforming game that tests player's ability to think and act creatively as they use the game's ingenious wormhole creating portal gun to produce their own paths through otherwise sealed surfaces and across the open spaces of the game.
News
The next piece of add-on content for Portal 2 will allow users to create levels
Portal 2: Peer Review includes new coop levels, Challenge Mode
First additional content pack will be free on all platforms
Valve's virtual treasure hunt points toward big news
Variety of savings and exclusive content offered
Puzzle game now shipping a few months later than previously announced
Valve sets a date for their upcoming puzzle action game
April cover of Game Informer officially reveals new puzzle title
Anticipated
SSX 
February 28, 2012
Halo 4
November 6, 2012
Gears of War 3
September 20, 2011
Assassin's Creed 2
November 19, 2009
Halo: Reach
September 14, 2010
Elder Scrolls V: Skyrim
November 11, 2011
Forza Horizon
October 23, 2012
Grand Theft Auto V
September 17, 2013
Assassin's Creed 3
October 30, 2012
Call of Duty: Black Ops
November 9, 2010
February 28, 2012
Halo 4
November 6, 2012
Gears of War 3
September 20, 2011
Assassin's Creed 2
November 19, 2009
Halo: Reach
September 14, 2010
Elder Scrolls V: Skyrim
November 11, 2011
Forza Horizon
October 23, 2012
Grand Theft Auto V
September 17, 2013
Assassin's Creed 3
October 30, 2012
Call of Duty: Black Ops
November 9, 2010
Game Screens
