Gears of war 2

Gears of war is a good xbox 360 saga and the second game is filled with action and a good storyline about the horde that lives underground and is fighting to take over the surface of earth you play as Marcus Fenix trying to fight for the survival of the human race and Gears of war 2 also has massive multiplayer matches through xbox live
here is the link if interested Gears of War 2