Gameplay Description 1.Just swipe on the screen to dig a tunnel in mud and help the ball fall into the basket. Then get into next level. 2.Various barriers in levels may be the drag for you to complete the goal. Game Features 1.Dozens of levels filled with different challenges. 2.Use your physics knowledge to design the tunnel and calculate how to fall and impact. 3.Train your logical thinking and imagination. If you want to kill time or love cartoon style arts, this game is your best choice!