Crysis Warhead - PC Play as Sergeant Sykes and experience a whole new side of the battle More explosive and dynamic minute to minute game play: new customizable weapons, new vehicles, new photorealistic locations to explore, and a fully interactive war zone to dominate Enhanced human and alien AI" Intelligent enemies, bigger challenges, and all-new ally squad support Includes Crysis Wars, an expanded new multiplayer experience with new online modes and 21 maps including seven all-new maps to battle it out against other players Crysis Warhead is a standalone release and does not require ownership of Crysis to play