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 the Hedgehog CD (prototype; 1993-07-12) SEGA CD Online Game
Hey! You can now play the prototype version of Sonic the Hedgehog CD for Sega CD online in your browser for free. This version was created on July 12, 1993, and offers a unique experience for Sonic fans. Simply click the link to start playing and enjoy the classic gameplay of Sonic in this early build of the game. Have fun spinning, jumping, and collecting rings as you race through the levels!
