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 ...

Sonic is getting an official game on Roblox and it has Chaos! The “speed simulator” was made by Sega of America and Gamefam and allows you run around as Sonic, Tails, and Knuckles.

Sonic Speed Simulator, the platformer adventure title featuring the iconic hedgehog, is among the experiences highlighted in the Roblox Winter Spotlight event.

A free, surprisingly good-feeling Sonic game can't go amiss with fans in need of tiding over, but some underwhelming progression holds it back.