Uboat Defense is an amazing tower defense game, which will lead you to the wonderful land of undersea action and strategical choices. In this game, you are the submarine commander who must defend his base from hostile forces. You will need to construct and upgrade defense towers to efficiently repel hostile fire. Select various units carefully, apply your tactics and plan your operations in order to overcome the enemies and save your submarine base from being destroyed. See how well you do in this demanding task of Uboat Defense!