Complete 2 songs on the Beginner level.
Complete 2 songs on the Normal level.
Complete 2 songs on the Easy level.
Complete perfectly 1 song.
Complete perfectly 3 songs.
Buy pack of songs.
Complete perfectly 5 songs.
Complete all songs on the Easy level.
Complete all songs on the Beginner level.
Complete all songs on the Normal level.
Make 10 mistakes.
Make 100 mistakes.
Make 50 mistakes.