• Bonus Levels

By pressing buttons 1+2 at the sametime during the Title Screen.
  • Clear pause screen

Pause the game and then hold I + II + Select.
  • Ending sequence preview

First activate the "practice bonus round" code and then highlight the Exit option and press II + RUN.
  • Practice bonus rounds

Hold II and then press run on the difficulty selection menu.
  • Remove Pause Text

Pause the game (by pressing run) and then press I, II, and Select all at once.
  • View Ending

Enable the Bonus level cheat. Highlight 'Exit', then press II + Run.