When players begin Sonic Speed Simulator on Roblox, they'll find that they can't play as Sonic right away and that he takes some grinding to unlock.

Here's how to get 6-Star Fast Friends in Roblox: Sonic Speed Simulator! With so many uses, you might find your pockets empty of Red Star Rings - and we're here to help!

Sonic Speed Simulator for Roblox adds new characters every other update, and Knuckles the Echidna wraps up the classic character roster nicely.