Roblox Sonic Speed Simulator is a running game where you will be building up your top speed so that you can go fast! The game ...

An update to the officially licensed Sonic Roblox game, Sonic Speed Simulator, will add a highly anticipated character in a new event.

Celebrate Sonic's birthday with a new event that unlocks Tuxedo Classic Sonic, the first alternate skin for Classic Sonic in Sonic Speed Simulator on Roblox. Check out some short gameplay ...