Dark Power is a tower defense game where you must stop the invading human forces from entering your dark castle. To defeat the invaders, you have a variety of undead soldiers and dark forces at your disposal. Click on your troops to increase their strength and speed up attack!Dark Power is a tower defense game where you must stop the invading human forces from entering your dark castle. To defeat the invaders, you have a variety of undead soldiers and dark forces at your disposal. Click on your troops to increase their strength and speed up attack!