How is your grade in physics? Why not play Puzzle Balls to test it. The operation is very simple, you just need to tap the screen to throw the ball into the truck in a reasonable way. You have to predict the path of the ball in advance, which tests the knowledge of physics. If your grades in physics are not satisfactory, don't worry! There are operation hints for the first few levels of the game. With your knowledge of physics, let's pass the level! have fun!

How to play: Tap to play