Invaders are coming… Aliens from planet X65739 launched an intergalactic war. Their only purpose is to occupy the whole Universe. The last planet which is still fighting – Earth! This madness has to end, and you are the last hope not only for your planet, but for the all living beings in the Universe. Armed with the laser gun, shoot the enemy ship till the last breath! Stay brave and don’t forget to repair your tower and buy upgrades. Good luck!