Although you have a huge castle that controls the coast, invading vessels are attacking! You are required to protect BattleCoast and your citizens. You are given a large harpoon gun to defend your castle against the waves of ships that arrive. Just aim and fire, and your harpoons will fly into enemy ships.Although you have a huge castle that controls the coast, invading vessels are attacking! You are required to protect BattleCoast and your citizens. You are given a large harpoon gun to defend your castle against the waves of ships that arrive. Just aim and fire, and your harpoons will fly into enemy ships.