Monsters attacked you! They crawl right out of the ground and want to steal the main treasure of your country! Protect it by placing cannons, combining them you will create even better ones, then electric defense stations, and then not far from atomic bombs. Beware of the bosses who will come after their henchmen! To win, get gold and diamonds and increase the number of guns produced, as well as their critical damage and charge, and victory will definitely be yours!