In the game, the ball is weightless, like in space. The ball can be on the road or under the road. But wherever they ball is, there are a lot of obstacles along the way, like nails, boxes. So you're ready to change the road of the ball. Keep your focus on the road, because obstacles can come up at any time. You also have to collect diamonds and get higher scores while playing. Have fun with Gravity Ball. Good luck.