Use your mouse/finger. If a ball touches the red line then -3 points. The basic yellow ball gives you 1 point for touching the top. The blue ball appears when you reach 10, 25 or 50 points. The blue ball has a 50/50 chance of getting more than 1 point or 2 points. There is a 4% chance you will get a ball every 10 seconds. There is a 1 minute cool-down after you get a ball. The speed increases every 10 seconds.
