Default Controls
← → ↑ ↓ = Directions
A = Z
B = X
Mode = Right Shift
Start = Enter
About the Sonic The Hedgehog Challenge Mode SEGA Master System (PSX) Online Game
Hey there! Welcome to the online version of Sonic The Hedgehog Challenge Mode for SEGA Master System. Get ready to speed through exciting levels, collecting rings and defeating enemies as Sonic the Hedgehog. Simply click the play button to start the game in your browser, no downloads required. Enjoy the classic gameplay for free and challenge yourself to beat your high score. Have fun!