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 ...

January 8, 2026: In case you're just coming back for the Sonic Unleashed-era map drop, there's a new Sonic Speed Simulator code still active from last month. What are the new Sonic Speed Simulator ...