Nine lives; all weapons: Press Start and wait until the title screen
appears. Then, hold A + Down and press Start
to begin game play.
Barrel roll: Hold Select and press the D-pad while
flying to perform a barrel roll in that direction.
Invincibility: Press [Up, Right, Down, Left,
Up] four times at the copyright screen while the letters
are falling from the top of the screen. Then press Start
to enable invincibility. Alternatively, press Up, Right,
Down, Left, Up, Left, Down,
Right, Up.
Information
in this section was contributed by Tymothy Fitzgerald.