To solve difficult physics problems, you must draw shapes. They are not as simple as they appear. Would you want to give one a shot? There are hundreds of brain-teasing physics puzzles, with new ones being added regularly. There are several methods to solve each puzzle; can you figure out which one is the best? Share your original solutions with your friends and see how they compare. Obtaining enough stars in prior levels will allow you to unlock all of them at no further cost. On the community screen, you will always find hundreds of new free levels produced by other players, added every day.