"Gears of War 3" is a harrowing tale of hope, survival and brotherhood, as players take on the role of Marcus Fenix, the grizzled war hero and leader of Delta Squad. Eighteen months after the fall of the last human city, the war against the Locust rages on and a fearsome new threat is infecting the planet from within. With survivors scattered and civilization in ruins, time is running out for Marcus and his comrades to save the human race.