Ships vs sea monsters

Upgrades for ships and cannons Take command of your fleet and defend the port from the attacks of sea monsters in this Android game. Place your ships in front of the monsters as they approach along 6 lines. Tap the ship to make it turn and shoot at the enemy. Utilize the heavy ground weapons and shoot directly at the strongest enemy. Upgrade your ships and cannons to make them stronger and better equipped to fight off the octopuses, sharks, poisonous jelly fishes and other beasts. Enjoy the many interesting levels and 6 types of ships as you battle to keep the harbor safe.