688 Attack Sub is a submarine simulation game published by Sega of America for the Sega Genesis, released in 1991. You command a nuclear submarine, navigating through oceans, engaging in combat, and completing missions, with a focus on strategy, simulation, and precision. The game is a realistic submarine simulation that captures the feel of modern naval warfare.
The gameplay involves navigating your submarine, using sonar to detect enemy ships, and planning attacks with torpedoes, and you must also manage your submarine's systems and resources to complete your missions successfully. The game includes multiple missions, each with unique challenges and objectives, and you must complete each mission to progress through the game.
A unique feature of 688 Attack Sub is the "simulation" depth – the game features a realistic submarine simulation, with detailed controls and systems, and you must use strategy and skill to complete your missions. The game also features a "multiplayer" mode, where two players can compete against each other.
688 Attack Sub is a solid submarine simulation on the Genesis, praised for its realistic simulation, variety of missions, and overall engaging gameplay.