Confrontation robots

In this game you happen to fight a huge robot. This robot has a terrible weapon - the ball. Trying to attack this ball, it is divided into two smaller ball. To attack, you can use a special cable with a harpoon, but the problem is still the same, instead of destroying, balls crushed, and will melt more and more. Destroying balls, you have a chance to knock a useful bonus, which will pass this difficult test. When the balls become small enough, they can be crumbled into dust. To win, you must get rid of all the balls.