Successfully complete the final vision to unlock the "Character Viewer", "Movie Viewer", and "Time Attack" options.
Translate the book during the credits to unlock Mirror mode, which allows access to twelve bonus rooms.
Translate the book during the credits to unlock bonus costumes.
Collect all six Phantomilians from every Vision to unlock the "Balue's Tower" level.
Successfully complete the "Balue's Tower" level to unlock Lehpise's Jukebox, which allows all songs to be played.