Counter-Strike: Condition Zero Cheats:
Whilst ingame press the [~] key to drop down the console. Type "sv_cheats 1" and then "restart" to enable cheat mode. When the mission restarts press the [~] key again and enter one of the following codes to activate the corresponding cheat function:
god - God mode

fly - Flight mode

noclip - Free movement

notarget - Enemies cannot see you

impulse 101 - Get some weapons

give - Spawn an indicated item (see the list below)

bot_kill - Kill all bots

bot_kill - Kill specified bot

bot_stop 1 - Freeze all bots

bot_stop 0 - Unfreeze all bots

bot_allow_rogues 0 - Teammates always follow your orders

bot_defer_to_human 0 - Teammates will accomplish goals themselves

bot_defer_to_human 1 - Bots will accomplish goals themselves

bot_difficulty # - Set bot skill level to # (number 0-3)

restart - Restart map with goals intact

maps * - List all maps

changelevel - Change map

cl_levellocks 16382 - All deleted scenes missions

sv_restart 1 - Restart round

sv_restartround 1 - Restart round

sv_ - List all available codes

Item names:
weapon_ak47, weapon_aug, weapon_awp, weapon_deagle, weapon_elite, weapon_famas, weapon_fiveseven, weapon_g3sg1, weapon_glock18, weapon_m3, weapon_m4a1, weapon_mac10, weapon_mp5navy, weapon_p228, weapon_p90, weapon_scout, weapon_sg550, weapon_sg552, weapon_tmp, weapon_ump45, weapon_usp, weapon_xm1014