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.
This is official Crysis Wars Trial version, published by EA and Crytek in 2009 for their free trial promotion events. Trial version is free for LAN multiplayer and is essential for CryEngine 2 modding purposes. This version can be used to play singleplayer and multiplayer mods, and is officially recommended for download by those mods. It can also be used as a base CryEngine 2 SDK package for mod development.