While playing a game, press [F8] to display the chat prompt. Then, type one of the following codes to activate the corresponding cheat function. Note: The codes will not be displayed.
Result
Cheat Code
Invincibility madmax
Full ammo madmechastriesand
Full life madcosmodna
Full shields madducttape
$1,000,000 madmaxamillion
End level madcastlearrgh
Flight mode; A to climb, Z to dive madrubyslippers
Disable flight mode madbananapeel
Turbo mode madbucketoweasels
Disable turbo mode madgetoutandwalk