Silent Depth Submarine Sim

"Silent Depth Submarine Sim" is a realistic 3D simulation game that places you in command of a US Navy Gato/Balao class submarine during World War II. Your mission is to attack Japanese merchant ships in the Pacific Ocean using torpedoes or the deck gun, while avoiding detection by destroyer escorts. The game features real day/night cycles, sun/moon/star settings, and promises free updates with additional content such as attacking war planes, medals, and achievements.