Unlimited Ammo and Level Select Codes 
     Enter  these  codes  at  the main menu or while during gamplay. a
sound should confirm the code entry.

Cheat:                                            Effect:
Up, Down, Left, Right, Up, Down, Left, Right      Unlimited Ammo 
Up(2), Down(2), Left, Right, Left, Right          Level Select


Unlockable:                  How to Unlock:
Bonus Level with Leo         Complete the game.