Defend the Castle is medieval castle defense game. The game has lots of levels and types of shells for catapult. Choose shell from top left corner of screen. Touch and move trigger of catapult and see changes of power. Then fight and attack enemies. New shells will be available in highest levels of the game. To get more scores try to change the shell during the game. Defend the Castle is totally free game!!! You can submit your score online to compete with players all over the world.