To activate the cheats, log on as "Viper". Type in the codes while playing.
Code
Effect
Alt a
Displays all targets.
Alt i
God mode.
Alt j
Displays framerate.
Alt k
Disables smoke trails.
Alt l
Full ammo.
Alt q
Toggles arcade/real.
Alt r
Disables damage mode.
Alt x
Crashes Viper.