Left 4 Dead 2

Left 4 Dead 2 is the sequel to the best-selling and critically-acclaimed co-op multiplayer smash from Valve, creators of the Half-Life, Portal, Team Fortress and Counter-Strike game properties. With multiple multiplayer options both on and offline, extensive AI custom functionality, four character options, new melee weapons and more, Left 4 Dead 2 promises to become one of 2009's best games on the Xbox 360 platform and set a new benchmark for co-op centric action games.