Border of gravity

Border of gravity - a game that will test your nerves to the endurance and forced to concentrate on just one ball. Your task in this game is not to give the ball to leave the screen, but this would be not so easy, you will not interfere with the ever-changing color of the screen is not stable gravity, as well as the ability of the ball to change its shape and color. Focus all your attention on the ball and don't let it slip away from you and climb up the screen. Compete with your friends and put their records.