Battle With Germs

You are in control of a cutting-edge healthcare system that defends a patient from the germs using tiny drones shaped like spacecraft! You begin with a simple spaceship and must go through the body while eliminating every virus you come across. You will receive gems as you complete each level, which you can use to enhance your current ships as well as buy new ones that are stronger (6 total ships).
You will need to upgrade to stronger ships and wisely utilise the power-ups that you uncover throughout the stages if you want to beat all 40 levels and the bosses that appear every fifth level. The scattershot, fast fire, star bomb, heal and other useful power-ups are among these. Make every effort to save this patient before it's too late, so, please!