Default Controls
← → ↑ ↓ = Directions
A = z
B = x
X = a
Y = s
C (Top-Left Shoulder) = q
Z (Top-Right Shoulder) = e
L2 (Bottom-Right Shoulder) = r
R2 (Bottom-Right Shoulder) = t
Mode = Right Shift
Start = Enter
About the 688 Attack Sub (USA, Europe) SEGA Genesis Online Game
If you’re a fan of submarine warfare games, you’re in for a treat with 688 Attack Sub. In this game, you’ll take control of a nuclear-powered submarine and engage in intense battles at sea. The graphics may be a bit dated, but the gameplay is still as thrilling as ever. And the best part? You can play this classic Sega Genesis game online for free in your browser. No need to download anything, just click and start playing. So, what are you waiting for? Dive into the action now!