Sonic CD (Sega CD)

In his first CD adventure, Sonic goes head-to-head with The Metal Sonic, Dr. Robotnik's evil hedgehog creation! Sonic discovers Robotnik wants all of the Time Stones from The Little Planet so he can bend time and rule the world! Can you help Sonic get them first? Time-travelling through the past, present and future, Sonic explores over 50 levels of adventure, plus amazing bonus levels!