Cheat mode
 
 When the copyright notice appears on the title screen, press Up, Down(2), Up,
 R2. Now a level select screen will appear. Press R1 or R2 to select a level.
 Press L1 + L2 + Square during game play to destroy all ships (friendly and
 otherwise) on the display.
 
  Game Shark Codez:
 
               
  Infinite Lasers                   
  801E6A8C 03FC
               
  Infinite EnergyBreak Point Code 
  80107F50 0000
  80107F52 0000
               
  Infinite IMREC Missiles           
  801E6C08 0009
               
  Infinite Decoys                   
  801E6AA0 0018
               
  Infinite Fuel                     
  801E5A3C EE00
               
 Note: If some codes don't work, press Start + Select to end your game, and then
 restart the game.