Castle Invaders

Castle Invaders is a puzzler/arcade game made for Ipad only! Defend the princess in this level based defense game.
Place your castle walls, cannons and archers to ensure protection of the princess. Press the "GO" button and watch the invaders as they begin to invade. Make sure the princess stays un-captured until the timer has filled up.
Make your way through 36 levels of castle building in this defense simulator. Can you finish them all?