Kill The Alien

So many strangers, and they multiply right before your eyes. Do not know where they come from, the only thing known is the fact that all of them as soon as possible to destroy. In this game your task - to kill all the creatures you see on the screen. It may not be easy, because they are moving all the time and resist. Show your agility, getting hammered by a stranger. Most difficult - is to kill the last remaining on the playing field pests, but you can handle it! Good luck!