Deceptively challenging physics puzzles for your brain! Draw shapes to solve challenging physics puzzles. They're not as easy as they look. Care to give one a try? ◆ Dozens of brain busting physics puzzles, with more being added all the time ◆ Compete with your friends for the Brain It On! crown ◆ Multiple ways to solve each puzzle, can you find the best solution? ◆ Share your unique solutions and compare with your friends All the levels can be unlocked for free by earning stars in previous levels. You can always find dozens of new player created free levels each day on the community screen. You can also purchase the game to remove all ads, unlock all hints, unlock levels early, and unlock the level editor.