Counter-Strike is the #1 online action game in the world. After a one-year public Beta, Counter-Strike was commercially released in Fall 2000. It has sold over 1 million copies worldwide, been named Game of the Year by several gaming publications, and is the headliner at competitive gaming tournaments around the world. Counter-Strike: Condition Zero (CS:CZ) advances this award-winning series by introducing single-player action and special enhancements for online play. CS:CZ is a tactical action game that challenges you to compete with and against cunning computerized opponents in mission-based campaigns across the globe.