Cheat mode:
Complete the game using either character and any difficulty
setting. Allow the main menu to reappear after the credits end.
Choose the "Start" or "Load" selections to display a cheat menu
with unlimited lives, play as monster, and level select options.

 LVL  PASSWORD
  2   UP, DOWN, C-UP, C-DOWN, C-UP, DOWN, LEFT, C-RIGHT
  4   UP, LEFT, C-UP, C-DOWN, C-UP, LEFT, C-UP, C-RIGHT
  5   UP, C-DOWN, C-UP, LEFT, C-UP, C-LEFT, C-DOWN, LEFT
  9   UP, RIGHT, C-UP, C-DOWN, C-UP, C-UP, C-RIGHT, C-RIGHT
 11   DOWN, LEFT, C-UP, DOWN, C-UP, C-RIGHT, C-LEFT, UP
 13   DOWN, C-LEFT, RIGHT, C-DOWN, UP, C-DOWN, DOWN, UP
 14   DOWN, C-DOWN, C-RIGHT, C-LEFT, C-UP, C-UP, LEFT, C-UP
 16   LEFT, C-LEFT, C-UP, C-LEFT, C-UP, DOWN, C-RIGHT, C-LEFT