While playing a game, press [F8] to display the chat prompt. Then,
 type one of the following codes to activate the cheat function. 
 
 Note: The codes will not be displayed.
 
 RESULT - CHEAT CODE
 
 Invincibility - madmax
 Full ammo - madmechastriesand
 Full life - madcosmodna
 Full shields - madducttape
 ,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