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.

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.

An update to the officially licensed Sonic Roblox game, Sonic Speed Simulator, will add a highly anticipated character in a new event.

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: ...

The Roblox game Sonic Speed Simulator is a racing game created by Gamefam x Sonic. If you are looking for the latest 'Sonic Speed Simulator' codes, then you have come to the right place.

Wondering what all the free codes are in Sonic Speed Simulator in Roblox? Worry not as we've got your back. Inside, we reveal all.