The aim of the game is to kill the greater number of aliens that you can. Your duty is to shoot the invading aliens, using the mouse cursor, with a weapon that you choose.
The game has 10 levels where the number, the speed and the way of invading of the aliens change. Little by little that the level increases, you will get new more powerful weapons.
The small green inhabitants of an unknown planet of an other far galaxy have decided to invade the Earth because on their planet there is not space for each of them... So do you want to allow them to come here to invade us and to destroy us? They are thousands and thicker than ants in an ants' nest! Your duty is to kill the invading aliens using the weapons that you have at your disposal! The mankind is in your hands!