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 Sonic 3 Complete SEGA Genesis Online Game
Hey! Ready to play Sonic 3 Complete online for free in your browser? No need to download anything! Just click the link, and you’re good to go. Enjoy all the classic Sonic action with added features and improvements. Have a blast as you speed through levels, collect rings, and defeat Dr. Robotnik. It’s fast-paced fun that you can enjoy anytime, anywhere. So what are you waiting for? Let’s start playing now!