Geometry Dash is a cool math game online which will test your reaction skills and reflexes. Your goal is to help a little running square to jump over obstacles and survive. The obstacles have various geometric shapes. You will have to jump over sharp objects and avoid touching them. If you touch any triangle, you will die and have to start again. This game is very hard and can be a little frustrating at the beginning. You will need a little training first, to be able to avoid the oncoming objects. The square is running automatically. The only thing you need to do, is to press your up arrow, space bar, W key or click your left mouse button to jump. The key is timing your jumps perfectly. There are 3 challenging levels to complete in Geometry Dash. Each of the levels has it’s own high scores table, where you compete against others. Can you accomplish one of the hardest cool math games called Geometry Dash?