Sonic CD [Not For Resale] - Complete - Sega CDSonic's gameplay remains similar to that of Sonic the Hedgehog but with the addition of the Spin Dash and the Super Peel Out, which lets him zoom into a quick speed from a standing point. The main innovation of this chapter in the Sonic series is the manner in which the player can travel to four different versions of each zone, each a different time period of the same location: Present, Past, Good Future and Bad Future. This is accomplished by speed