You have two colored circles at your disposal. They beat off the balls approaching them. Moreover, only the circle that has the same color can beat off. The goal is to rotate the hitting elements so that none of the approaching balls break through the defense line. Nothing complicated. But you need caution, attentiveness and the ability to quickly make decisions and take certain actions. And no more rules. The more balls you hit without missing, the more reward points you can earn. Good luck!