Default Controls
← → ↑ ↓ = Directions
A = Z
B = X
Mode = Right Shift
Start = Enter
About the Sonic Chaos (Master System prototype; 1993-07-13) SEGA Master System (PSX) Online Game
Sonic Chaos is a fun platformer from 1993 that brings classic Sonic gameplay right to your browser. You can speed through vibrant levels, collect rings, and take on Dr. Robotnik without any downloads or fees.
Just click and play for a nostalgic trip back to the SEGA Master System days. It’s straightforward and all about enjoying the fast-paced action. Dive in and experience the thrill of Sonic today!