Don't let the name "Zen Blaster" fool you, because it will keep you on the edge of your seat for hours. Balls travel on a track and your only line of defense is a ball cannon. By matching 3 or more of the same color you will destroy balls. The objective is to keep the balls from reaching the end of the track because when they do, the game is over. Make awesome combinations by checking which ball is coming next and adjust your shot(s) accordingly. Use your mouse to aim and shoot. Pay attention to which color comes next because you can use the spacebar to swap colors to make a better shot.