Hold I + II + Select and press Run at the title screen or at the "Game Over" screen.
Reset the game, then hold I + II + Select and press Run at the title screen to resume game play at the last level played.
Hold Left and press Select at the title screen to display the password prompt. Enter one of the following passwords and press I to activate the corresponding cheat function:
Full laser
Enter MIDORI as a password.
Free hit
Enter EIKOCHAN as a password.
View ending sequence
Enter SARA as a password.
Enable music and sound
Enter OTOON as a password.
Disable music and sound
Enter OTOOFF as a password.
Invincibility
Enter MIKARIN as a password.
Arcade mode
Enter MAKIRIN as a password.
Sound test
Enter SCSI as a password.
Color bard
Enter IRO as a password.
Easy mode
Enter YANDI as a password.
Hard mode
Enter YANDI as a password, then press I, Run.
Full red power-up
Enter AMI as a password.
Full blue power-up
Enter RIE as a password.
Full green power-up
Enter NAOMI as a password.
Full orange power-up
Enter HIDORI as a password.
Hold Left and press Select at the title screen to display the password prompt. Enter one of the following passwords and press I to begin game play at the corresponding level.
1 - MAI
2 - EMI
3 - YUUMI
4 - PERSIA
5 - YU
6 - HAMI
7 - MIHO
8 - LALAMOTO
Collect the following power ups in order, then intentionally lose all
shields:
Red, Blue, Green, Green, Yellow, Red.
Note: Collecting Shield
or Invincibility power-ups will not spoil activation of the code.