Cheat mode:
Press ~ during game play to display the console window. Then, enter one of the following codes to activate the corresponding cheat function.

Effect
 Code
 
Invincibility
 elvis lives 
 
Level skip
 no i am winner 
 
Shoot fireballs 
 tabasco 
 
Extra powerful fireballs 
 oppenheimer 
 
Extra bonuses 
 xmas tree 
 
Show debug information
 system visor 
 
Unknown
 i love carnage 
 
Unknown 
 extra mess 
 
Unknown 
 force with me 
 
Unknown 
 bonus bambus 
 
Unknown 
 columbus
 
Unknown 
 yagas revenge