The essence of the game is that you will need for the least amount of time to destroy as many enemies that will be placed before you. In order to protect the building you need to very accurately shoot your enemies. You will have very little time. You also need to make sure that your character was killed. The number of enemies that will attack the castle is quite large. In the lower part of the game will be located scale, which will show the status of your castle. In order to win you need to lock remained intact