Sonic Speed Simulator is a super-popular fan-made game on Roblox that is a partnership between Sega of America and Roblox developer Gamefam. At the time of writing, the game has over 20K active ...

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 is chock full of Sonic the Hedgehog based levels and characters, where you ...