Systems:Sega CD,PC
Released:July 19,1993(Sega CD),(PC),September 26, 1996
The first ever Sonic game on a CD:one of the best Sonic games on the worst system.About 50 levels of Sonic 2D action, and the first ever seen of the Robotic Metal Sonic.Sonic goes time traveling to defete Metal Sonic and Eggman(Robotnik).
