Play 688 Attack Sub Online

688 Attack Sub is a submarine simulation game developed and published by Electronic Arts for the Sega Genesis console.

In the game, you play as the captain of a nuclear attack submarine, and your goal is to complete a variety of missions using stealth, strategy, and weapons.

You must navigate your submarine through underwater environments, avoiding enemy ships and torpedoes, and engaging in combat when necessary.

The game features realistic graphics and sound effects, and is considered a challenging and immersive simulation experience.