Left 4 Dead
Set in a modern day survival-horror universe, the co-operative gameplay of Left 4 Dead casts four "Survivors" in an epic struggle against hordes of swarming zombies and terrifying "Boss Infected" mutants.

Call of Duty World at War
From the remains of Russia and the ruins of Berlin, to the beach and jungles of the deadly Pacific Theatre, the volatile action takes on added depth . New infantry and vehicle-based weapons, like the potent flamethrower, bring the battlefield ablaze