Invincibility
 
 Enter "!EIKKIN" as a name on the high score screen.
 
 Ten credits
 
 Enter "!BEDSTRAW!" as a name on the high score screen.
 
 Deformed characters
 
 Enter "!PEMON?" as a name on the high score screen.
 
 View ending sequence
 
 Enter "?LOVESEXY?" as a name on the high score screen.
 
  Game Shark Codez:
 
                   
  Infinite Credits          
  801E33E6 0004
                   
  Player 1 Codes            
                   
  Ininite Health            
  800DA992 03E8
                   
  Infinite Ammo             
  800DA9A0 0803
                   
  Have Score of One Million 
  800DA974 CA00
  800DA976 3B9A
                   
  Player 2 Codes            
                   
  Infinite Health           
  800DA9DA 03E8
                   
  Infinite Ammo             
  800DA9E8 0803