Extra Lifeline
On Controller 2, hold Up, L Button, and R Button and press Reset. After pressing Reset, keep holding the buttons on Controller 2. Begin your game with Controller 1, and then release the buttons on Controller 2.
30 Extra Credits
On Controller 2, hold Select, L Button and R Button, then press Reset. Begin your game using Controller 1 and you will have 29 credits in reserve.
Super Difficult Level
On Controller 2, hold A, B and the L and R Buttons, then press Reset. After pressing Reset, keep holding the buttons on Controller 2. When you see "Push Start" flashing on the Title screen, release the buttons.
One Round Match
On Controller 2, hold A and B, then press Reset. After pressing Reset, keep holding the buttons on Controller 2. When you see "Push Start" flashing on the Title screen, release the buttons.
Five Round Match
On Controller 2, hold X and Y and press Reset. After pressing Reset, keep holding the buttons on Controller 2. When you see "Push Start" flashing on the Title screen, release the buttons.