In the game Pixel Protect Your Planet you will have to protect your planet from an alien invasion. In front of you on the screen you will see your ship, which will hang in orbit of the planet. Using the control keys you can make it fly around the planet in a given orbit. Alien ships will fly towards the planet. You will have to move your ship to catch them in your sights and open fire to kill them. By shooting accurately, you will shoot down alien ships and for this you will be given points in the game Pixel Protect Your Planet.