Complete 1 song on the Easy level.
Complete1 song on the Normal level.
Complete 1 song on the Hard level.
Complete perfectly 4 songs.
Complete perfectly 2 song.
Complete perfectly 6 songs.
Buy 1 pack of songs.
Complete all songs on the Normal level.
Complete all songs on the Easy level.
Complete all songs on the Hard level.
Make 10 mistakes.
Make 100 mistakes.
Make 50 mistakes.