Celebrate Sonic Central with Sonic Speed Simulator, the fastest game in Roblox, players are able to level up and gain speed by running through unique worlds while racing against friends to earn ...

In it, Sonic runs and collects rings while different Chao characters trail behind him. The game keeps track of your level and speed as Sonic runs through an area. A few of the five planned worlds ...

Red Star Rings are the main currency of Sonic Speed Simulator on Roblox. They are used for everything from fusing Chao and Trails, purchasing and leveling up Characters, getting sets of your favorite ...