How many level you can pass with space shooter? In Knocks ball you must control canon ball to fire all ball on the screen. The 3d ball shooter is addictive game and help you entertainment in free time. Game is ball gates you will play on many place as blast valley, ocean map, fish map... Many canon ball for you choose. How to play: swipe you finger to control canon shoot all the ball to pass level upgrade canon when you get enough gold Now let download best addictive game to play balls journey!