Default Controls
← → ↑ ↓ = Directions
A = Z
B = X
Mode = Right Shift
Start = Enter
About the Sonic Genesis for Master System SEGA Master System (PSX) Online Game
Hey! Ready to play Sonic Genesis for Master System online for free? Just click the link and start running, jumping, and collecting rings with Sonic in your browser. No need to download anything, just enjoy the classic SEGA game wherever you are. Have fun playing!