Counter-Strike: Condition Zero (Gearbox Software design)

The version of Counter-Strike: Condition Zero designed by Gearbox Software was the second of four major iterations of the game in the game's convoluted development history. This iteration of the game was originally more reminiscent of the version of Condition Zero developed by Turtle Rock Studios, having an arcade-like take on the single-player experience. Later during development, the design for the single-player component was changed and it became more similar to the version designed by Ritual

Counter-Strike: Condition Zero (PC, 2004) for sale online

Counter-Strike: Condition Zero (Gearbox Software design), Counter-Strike Wiki

Counter-Strike: Condition Zero - Valve Developer Community

Counter-Strike: Condition Zero Preview - GameSpot

Condition Zero Beta/Dossier Skins [Counter-Strike: Condition Zero] [Mods]

Counter-Strike: Condition Zero - Valve Developer Community

Counter-Strike: Condition Zero (Gearbox Software design), Counter-Strike Wiki

Counter-Strike: Condition Zero

CS Cold Storage addon - Counter-Strike: Condition Zero - Mod DB

de_hankagai_cz (remade) addon - Counter-Strike: Condition Zero - Mod DB

Cheat Counter Strike Condition Zero Trainer - Colaboratory

Counter-Strike: Condition Zero (Unshipped Content) – Chris Auty