Level select: Quickly press Left, Left, I, Right,
Right, II, Up, Down, Up, Down
at the title screen.
Sound test: Highlight the "Set-Up" option at the title
screen and quickly press Left, Left, I, Right,
Right, II, Up, Down, Up, Down.
Arcade screen format: Highlight "Normal" mode at the title screen
then press Left two times, I, Right two times,
II, Up, Down, Up, Down, Left
two times, I, Right two times, II, Up,
Down, Up, Down. A sound will confirm correct
code entry. Begin game play, then hold Run and press Select
to reset the game. The game will restart in the Arcade Screen
mode.
Level select: Press Left two times, I, Right
two times, II, Up, Down, Up, Down
at the title screen.
