How many copies of Gears of War 3  were sold?
Gears of War 3
Gears of War 3 is a military science fiction third-person shooter video game developed by Epic Games and published by Microsoft Studios for the Xbox 360. It is the third installment of the Gears of War series.[1] Originally due for release on April 8, 2011, the game was delayed and eventually released on September 20, 2011.[2] The story was written by science fiction author Karen Traviss.[3]