Sonic Speed Simulator is a sandbox game where you can embody various characters from the Sonic the Hedgehog franchise and level up to become faster.

Unlocking Shadow in Sonic Speed Simulator The Release Shadow mission banner (Image via Roblox) The basic variant of Shadow the Hedgehog is free to unlock once you reach the Lost Valley Zone.

Here are all working Sonic Speed Simulator codes as of 28th August 2025: Not sure how to redeem codes in Sonic Speed Simulator? Here’s what you’ll need to do: ...

Sonic Speed Simulator is an official Sega game on the Roblox platform. In Sonic Speed Simulator, you'll be zipping around at the speed of sound, unlocking different characters from the Sonic ...

When players begin Sonic Speed Simulator on Roblox, they'll find that they can't play as Sonic right away and that he takes some grinding to unlock.

Here's how to get 6-Star Fast Friends in Roblox: Sonic Speed Simulator! With so many uses, you might find your pockets empty of Red Star Rings - and we're here to help!