Japanese Version Cheats
please enter cheats during those times
Effect Code 70 lives At the main menu, using controller 2, press C, B, A, RIGHT, LEFT, C, B, A, RIGHT, LEFT, C, B, A, RIGHT, LEFT. A confirmatory voice clip will be played Debug Mode On the main menu, press LEFT, RIGHT, LEFT, RIGHT, A, B, C, B, A, UP, DOWN on the SECOND controller. Gain All Weapons Anytime during play, pause the game and press (on controller 1) UP, UP, DOWN, DOWN, A, Up, Up, DOWN, DOWN, B, Up, Up, DOWN, DOWN, C. Level Select Menu At the main menu, using controller 2, press LEFT, RIGHT, A, B, C, LEFT, RIGHT, A, B, C, LEFT, RIGHT, A, B, C. A confirmatory voice clip will be played
Contributed By: alsa.
How to get the bad and best ending
Go though the game and don't go after dead eye joe, Fight to the end and not surrender, and when you get to the end of the 2nd to last level choose these:
Unlockable How to Unlock Bad ending Agree to join the colonel Best ending Refuse to join and fight the colonel and, beat the alien cell.
Contributed By: TheRetroPlayer.
Before battle with the zodiac boss, climb up the wall and talk to the weird guy. Agree, and you'll be in a hidden stage. Beat the stage for an extra ending with monkeys.
Contributed By: Sogetsu.
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