Based on the world's best online first person shooter game, Condition Zero: Source promises to bring your gaming experience to the next level. Like all Counter-Strike games, CSCZ Source will feature multiplayer gameplay with old and new game modes and also a singleplayer story-line to ensure that players will never get tired of playing this ground-breaking modification.
This modification requires that you own Team Fortress 2 or any games powering the source 2007 engine.