Fort Defense: North Menace

All hands on deck! Pirate armada dead ahead! Take part in an uncompromising struggle repelling freebooters' assaults. Watch out, the enemy may catch the tide for ruining your fortress. Build towers, collect crystals, upgrade spells and believe in your victory! Welcome to the unique pirate style Tower Defence. Enjoy 20 levels, which create an atmosphere of cold Arctic ice. Unique ships, menacing bosses and powerful spells - all this will deepen you into the game..