Super weapon:
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.

Unlimited continues:
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.

Cheat mode:
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.

Level passwords:
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.

Level	Password
1	MAI
2	EMI
3	YUUMI
4	PERSIA
5	YU
6	HAMI
7	MIHO
8	LALAMOTO