Hold I + II + Select and press Run at the title screen or at the "Game Over" screen.
Resume reset game
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
Red, Blue, Green, Green, Yellow, Red.
Note: Collecting Shield
or Invincibility power-ups will not spoil activation of the code.