Play 688 Attack Sub emulator game online in the highest quality available. 688 Attack Sub is a Sega Genesis game that you can enjoy on Play Emulator. This SEGA game is the US English version that works in all modern web browsers without downloading. 688 Attack Sub is part of the Arcade Games, Action Games, and Simulation Games you can play here. PlayEmulator has many online retro games available including related games like Nicktoons: Attack of the Toybots, Donald Duck: Quack Attack, and Jurassic Park 3 - Island Attack.