Extra Lives
Highlight the “Rest” selection on the options screen, then press Up, Up, Down, Down, Left, Right, Left, Right, B, A, B, A on controller two. A tone will confirm correct code entry. Up to ten lives may now be selected on the options screen.

Nine Continues
Highlight the “Rest” selection on the options screen, then press Up, X, Left, Y, Down, B, Right, A, Up, X on controller two. A tone will confirm correct code entry.

Invincibility
Press Up 8 times at the title screen.