It´s the year 1914 and you are the commander of a submarine in the German Emperor’s fleet during WWI. For the first time you have the opportunity to play exciting underwater missions in the first world war, to work out strategies, to use your powerful weapons and to take care of your submarine! Use your tactical skills to keep alive and to sink the ships of the enemies. Fulfill the missions you are assigned to, from the North and Baltic Seas to the Atlantic Ocean and into the Mediterranean.