Extra sleds
 
 At the title screen, press Up, Left, Down, Right, Up, Triangle, Up,
 Right, Down, Left, Up, Circle. If you entered the code correctly, you
 will hear the sound of an explosion. Start a game and press Left at
 the character select screen to choose any enemy sled except for
 Landmaster (the last boss). 
 
  Game Shark Codez:
 
                       
  Infinite Missiles 
  8014A648 0005
                       
  Infinite Shields  
  8014A662 1000