688 Attack Sub game is a ROM you can play online within your browser. This Sega Genesis ROM runs in our top-notch quality emulator at PlayRoms.net only. Play 688 Attack Sub SEGA game online in English USA version on your desktop, tablet, and mobile. If you liked playing this emulator then you will also be interested in similar classic titles Kirby Mass Attack and Tetris Attack. This free game belongs to the Simulation and Action category of online retro games.