Kaitei Daisensou - In the Hunt [Xing Maruyasu Series] Japan

The Dark Anarchy Society is taking over the world, destroying Earth's biggest cities in the process. As captain of an attack sub, you must seek and destroy the D.A.S.'s underwater headquarters which lie somewhere in the frigid depths of the Antarctic Circle. Your ship is equipped with machine guns and torpedoes. These weapons can be upgraded to surface-to-air missiles, smart missiles, floating mine launchers, hyper torpedoes, and supersonic torpedoes.