Press Right(2), Left(2), Up, Down,
Left, Down(3) at the title screen. The game music
will restart to confirm correct code entry. Press Y to
select the new game option. Press Y once more to display
the round selection option. Note: You may jump to the Boss rounds
by enabling this code.
Press Left(2), Right(2), Down. Up,
Right, Up(3) at the title screen. A no damage option
will now be accessible on the options screen.