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 & Knuckles Master Edition SHC21 SEGA Genesis Online Game
Hey! Ready to play Sonic & Knuckles Master Edition SHC21 online for free? Just click the link and start running, jumping, and spinning through this classic Sega Genesis game in your browser. No downloads needed – just pure retro gaming fun at your fingertips. Join Sonic and Knuckles on their epic adventure today!