Crossfire Ball

Crossfire Ball is a simple game and the benefit is exercise response capacity , you just need to control on both sides of the stick, to prevent the ball thrown off screen.Of course, the ball is not to be trifled with, its speed will be faster and faster,furthermore, the flying direction is uncertain, you must focus your attention in order to prevent the ball ran out!!With your ability to respond, how many times can you block the ball ?!