Cheat options:
Press Down, Up, Down, Up(7),
Down(2), A(3) in the hangar to display a cheat menu that will allow level
selection, invincibility, and full upgrades. Press C to activate the various
options.
Sound test:
Successfully complete the game
after all characters are unlocked. Load the cleared saved game file and the
"Sound Test" option will appear at the configuration screen.
