Default Controls
← → ↑ ↓ = Directions
A = Z
B = X
Mode = Right Shift
Start = Enter
About the Knuckles in Sonic The Hedgehog SEGA Master System (PSX) Online Game
Hey there! Welcome to the online version of Knuckles in Sonic The Hedgehog for the SEGA Master System. Get ready to join Knuckles on an epic adventure through familiar Sonic levels, but with a twist! Play for free in your browser without any downloads. Simply click to start playing and enjoy the classic gameplay of this beloved game. Help Knuckles defeat Dr. Robotnik and save the day in this action-packed platformer. Are you ready to show off your skills and speed? Let’s go!