Protect your castle by wiping out your enemies before they get too close and inflict damage. Lose all your castle hit points and the game is over. Some unusual new enemies appear, like tanks and UFO's. This version also lets you play in 3 different modes: Classic (click on the enemy until they die), Drag and Hold (hold the mouse down and drag the enemy up high and drop them to the ground to die), and Hold (hold the mouse button down over the enemy). Finish the level to get gold so you can buy spells and upgrades to better defend and maintain your castle. There is even an option to customize your own castle - give it different look if you don't like the standard castle settings.