Game about sea war. One ship, two torpedoes and many enemies is this to you. Period presentation in the game - WW2 1940- 1944 years. The main figure in game is the submarine, a certain class, and the opponent the German military and partially merchant marine fleet appears. The player should heat cargo vessels, to leave from the military ships, to disappear from ubiquitous air reconnaissance, to avoid anti-submarine systems and much, many other. In spite of the fact that actions are planned generally guerrilla, it is supposed that it isn't necessary to miss. In difference from known Silent Hunter, the player shouldn't squeeze time as soon as possible to reach a patrol square, it is connected to that actions are planned by more dynamic, and the active. With impunity nobody will allow to plow a water smooth surface in a surfaced state to the player. The player with enviable periodicity will change a role from the hunter to a game and back.