Crysis Wars is the standalone multiplayer game bundled with Crysis: Warhead. Building upon the original Crysis' multiplayer game, it has been expanded and improved with a new gamemode as well as many new maps.
The multiplayer part of Crysis Warhead. Almost the same thing as the Crysis Multiplayer but with more content (maps, weapons, vehicles etc). It got some cool game modes and it's a stable multiplayer game.