It can either be Assassination, Bomb Defusal, Escape, and Hostage Rescue. The objective or mission of the game depends on the game’s mode. You must play in either one of the camps and complete the mission. The premise of Counter-Strike is terrorists and counter-terrorists are at odds with one another. Originally, you can only play Condition Zero on Windows XP or newer but now you can play on both Windows and Mac OS X computers. In addition to being a multiplayer game, it also features 2 single-player campaigns: Tour of Duty and Condition Zero: Deleted Scenes. Condition Zero also features updated character models, textures, maps, and effects of the original Counter-Strike. First released in 2004, the game used a three-dimensional video game engine known as GoldSource to enable multiple players to join in the game.
Counter-Strike: Condition Zero is a first-person shooter game developed by Ritual Entertainment, Turtle Rock Studios, and Valve.