All organisms in the world are susceptible to various deadly viruses. In the distant future, scientists have developed microscopic robots that are capable of being in the body and destroying harmful bacteria. In the game Gunwyrm you will control one of these robots. In front of you on the screen you will see the playing field on which the robot will move under your control. You need to look for various viruses. As soon as you notice them, you will need to open fire on them from the weapon mounted on the robot. By shooting accurately, you will destroy bacteria and get a certain number of points for this. They will also shoot clots of energy at you. By cleverly controlling the robot you will have to dodge these charges.