Ristar

Ristar cheat codes: 
Entire Code List for Ristar:
STAR    - A shooting star goes across the background(JP)
MUSEUM  - Boss Rush mode
XXXXXX  - Clears/Deactivates the current password
AGES    - Copyright info is displayed
MIEMIE  - Hidden items grab points are shown with a blue star
FEEL    - ILOVEU,MIEMIE,CANDY,active all at once (JP)
CANDY   - Invincibility (JP)
MACCHA  - Mentions Miyake colour(JP)
MASTER  - Mentions next game (JP)
AAAAAA  - No Continue limit (JP)
MAGURO  - Onchi Music mode and credit's music in sound test
HETAP   - Reverses the High Score in Demo Mode(JP)
VALDI   - Shows the Solar System(JP)
ILOVEU  - Stage select
SUPERB  - Super Difficulty Mode
SUPER   - Super Hard mode
DOFEEL  - Time Attack mode