PJs Musical Beach Ball

Casual game.
Works with Game Center.
Keep track of high score and achievements.
Share scores with other players.
Swipe the paddle back and forth to keep the beach balls from hitting the bottom of the screen.
Beach balls bounce off the paddle and walls to hit blocks of sea shells which play musical chords and then explode.
Each exploded block of shells is worth 100 points.
Explode all the blocks of sea shells without the beach balls touching the bottom to win the game.