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, shown ...

In Roblox's Sonic Speed Simulator, you'll be zipping around at the speed of sound with your favorite characters from the ...

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 ...