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.

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

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 ...

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: ...

Roblox Sonic Speed Simulator is one such title. It’s a game that features the beloved Sonic The Hedgehog and his other compatriots and has you racing to be the fastest thing around.

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.