Counter-Strike: Condition Zero (2004) - MobyGames

Counter-Strike: Condition Zero is a reworked version of Counter-Strike with the addition of all-new multiplayer maps and high-detail player and weapon models. It includes the Tour of Duty mode, a series of Counter-Strike matches against computer

Counter-Strike: Condition Zero (Windows) - My Abandonware

Counter-Strike 1.6 No Steam 112 Maps Podbots - Colaboratory

Counter-Strike: Condition Zero (Windows) - My Abandonware

Counter-Strike: Condition Zero (Video Game 2004) - IMDb

Game Classification : Counter-Strike: Condition Zero (2004)

Remember back in the day when it used to be called HALF-LIFE

John Attea, Counter-Strike Wiki

Counter-Strike: Condition Zero (Windows) - My Abandonware

Screenshot of Counter-Strike: Condition Zero (Windows, 2004