Game Shape Invasion online

In this game you defend your castle from invasion of various geometric shapes. Stick figures on you from the top, you have a gun for protection. Breaking the figures, you get the money that can be better weapons, buy new turret repaired. With each level, the figures are increasing, they are becoming more powerful and sophisticated. In this game you need to show your skill, or geometric "fiends" quickly destroy you and all progress will be lost.