The player pilots one of the front-end spacecrafts in three different vast settings: solar system, earth's orbit and finally in a ground attack against aliens. The player may encounter alien spaceships, mines, turrets in earth's orbit, missiles, even earth military assets (like tanks, stealth jets or air-defences) all captured by aliens during invasion. https://play.google.com/store/apps/details?id=com.biosoftworld.J6QXQ962L7.shootaliens