Endgame
Unlock All BonusesOn the main menu, press: X thirteen times, SQUARE, X five times, SQUARE, X two times, SQUARE, X nine times, SQUARE, X seven times, SQUARE, X three times, SQUARE, X eight times, SQUARE, X five times, SQUARE, X, SQUARE, and then X twenty times.
Unlock Hyper Arcade Mode
Beat Arcade mode with the shotgun.
Unlock Might Joe Jupiter Trilogy
Beat all the Mighty levels in Cadet Training to unlock Mighty Joe Jupiter Trilogy (in MJJ mode).
Unlock Music Juke Box
Beat all episodes of the Mighty Joe Jupiter Trilogy to unlock Music Juke Box in the Options screen.
Unlock New Guns
Beat the game in Arcade Mode to unlock the new weapon. Here's how:
Beat with pistol: machine gun
Beat with machine gun: cane gun
Beat with cane gun: shotgun
