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 & Knuckles: The Challenges SEGA Genesis Online Game
Hey there! Ready to enjoy some classic Sega Genesis action with “Sonic 3 & Knuckles: The Challenges”? Now you can play this game online in your browser for free, without any downloads. Join Sonic and Knuckles in their quest to stop Dr. Robotnik and save the world. Experience fast-paced platforming and exciting boss battles as you race through colorful levels. Just click the link and start playing now!