Knock Down Ball - very interesting game to down smile from platform. knock the ball & down all the smiles from platforms. How to Play? - First pull belt of slingshot & target the knock goal with flight path. - then release the ball to down the smile - down all the smile to win level - Level : there are 45 level available it's free game app . please, share app with friend, colleague and family very useful apps. provide good rating and review. Thanks for using!