Counter-Strike:
Condition Zero

Access the console by pressing [~]. Type "sv_cheats 1" and then "restart" to
enable cheat mode. When the mission restarts, press [~] again, then 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
mp_freeztime <#> - Freeze indicated time except for player
mp_startmoney <0-16000> - Set starting money
sv_gravity  - Set gravity
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