While most players prefer being Sonic in Sonic Speed ... periodically appear on your screen, as they will help you level up. If you can spare some Robux, the title also has several purchasable ...

playable Knuckles in Sonic CD, and for the first time ever, Amy Rose as a playable character in Sonic the Hedgehog 1, 2, Sonic 3 & Knuckles, and Sonic CD! With more content than ever before ...