Ufo biohazard micromachines

Ufo biohazard micromachines is an action game in which you must defeat all alien invaders and save the world.

The aliens are planning to destroy the Earth. They have created a microscopic weapon which can penetrate into man’s blood and kill him. These alien robots can also turn human beings into zombies. You must protect the human cells by aiming into the enemies or by activating a special shield.