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 ...

Roblox Sonic Speed Simulator has some special codes to help you do all that you want to do in the game, find them here!

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.