Battle Submarine, released by Irem in 1995, is an immersive naval warfare simulator for the Super Famicom. Players take command of a high-tech submarine, using a periscope-style 3D interface to track and destroy enemy fleets. The game emphasizes stealth and tactical positioning over pure action, requiring players to manage oxygen, depth, and torpedo loads. This Chinese localization provides a clear understanding of the mission objectives and technical displays, offering a unique and atmospheric 16-bit naval strategy experience.