Dark Power :Dark Power is an awesome tower defense game in which you must repel the human's invasion of your dark castle. You have at your disposal an array of dark forces and undead soldiers to help attack the invaders. Deploy your troops and click on them to make them stronger and attack faster! Collect the skulls of your enemies by clicking on them and use these skulls to purchase new units and upgrades for your existing troops to make them stronger. As you increase in power, your enemies will try and assail your castle with stronger forces so keep upgrading and building new and improved troops. Can you push back the human invasion?