Bonus levels
Acquire all six stars in a level to obtain a Momett doll. A bonus level will be available after you have accumulated eight and sixteen dolls.

Play as Mometsuto
Finish the game to access Mometsuto as a playable character.

Boss battle
Finish the fairground levels to access a new area that allows you to battle previously defeated Bosses.

Music test
Finish the either bonus level to access songs in the music box option.

Vision select
Finish the game and then save. Now start another game, then press R1 to display the status screen. You can now select any level by using the "Vision Selector" option.

Picture gallery
Finish the fairground levels to access an option for a picture gallery. Accumulate all 150 gems in a level to access its pictures in the gallery.