Level select
Press [B]x2, [L], [R], [Left]x2,
[Select] at the title screen. Then, press [Up] to select
a new level.
Sound test
Hold [L] + [R] and press [Start] at
the title screen. Press [A] to select the sounds.
Black Lighting ship
Successfully complete the game and allow the credits
to complete. The game will restart at level 1, but you will be
playing in the Black Lightning ship that you had during the final
level. Note: The ship will not change between levels.