Cheats for Captain Skyhawk (NES)

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.

Level skip

Press Up, A, B on controller two.

Barrel roll

Hold Select and press the D-pad while flying to perform a barrel roll in that direction.

Nine lives, all weapons

Press Start and wait until the title screen appears. Then, hold A + Down and press Start to begin game play.