In the Middle Ages often took place the battle between the various states over territory and resources that are on it. Today, the game Battlecoast you will command a fortress which is located on the beach. It is an armada of enemy ships that want to destroy it, and then make a landing on the coast. The castle will be installed special catapult that are capable of firing at different distances. You will need to calculate the trajectory of the shot from a catapult, and open fire. If you have correctly calculated all the parameters, you'll reach the target and sink the ship.