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.

Sonic Speed Simulator is an official Sega game on the Roblox platform. In Sonic Speed Simulator, you'll be zipping around at the speed of sound, unlocking different characters from the Sonic ...

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.