Invincibility: Start a new game. Hold A on controller two
when the helicopter drop-off point appears, then press Up,
Left, Down, Right, Down, Left,
Up, Right on controller one. The Airwolf will flash
to confirm correct code entry.
Level select: Press Up, Down, Left, Right,
A, B, A, B on controller two, then
press A + Start on controller one at the title
screen.
Music test: Press Up, Down, Left, Right,
A, B, A, B on controller two, then
press A + B + Start on controller one at
the title screen.
