OVERVIEW: Comets and Craters is a Tower Defense meets RTS style game. Collect Minerals and Crystals with your Transporters to purchase and repair your Towers, Docks and Space Station. Upgrade your Space Station to unlock new Towers and more powerful weapons. Increase your Crystal and Mineral processing capability by upgrading your Docks. Trade your Towers if your Mineral reserves become low. LITE VERSION FEATURES: Towers/Mines, Buildings, Enemy - 5 x upgradable Towers, Laser.