To activate cheats, run games with the “-toggleconsole“(without quotes).
Counter Strike: Condition Zero – Cheat Codes Free Download
After that, during the game, press the ~ (tilde) key and call the console.
Type the command “sv_cheats 1“(without quotes)
After that, the following codes will be available:
god – “God ‘mode”
impulse 101 – get some of the weapons
noclip – the ability to walk through walls
fly – ability to fly