Passwords
At the main menu, select "Password" and the game will prompt you to enter a 4 letter password on the typewriter for unlockables:
SIJI - Unlockable 10: About Osaka
AAAA - Unlockable 1: What's a password?
ZIMI - Unlockable 2: Jinguuji Quiz
CHUA - Unlockable 3: Staff Comments 1
WOYA - Unlockable 4: Jukebox
ERSH - Unlockable 5: Images / Visuals
QILO - Unlockable 6: Staff Comments 2
PUTO - Unlockable 7: Jinguuji Series Character Profiles
YUEJ - Unlockable 8: About Ecuador
YIWO - Unlockable 9: Movie Viewer