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.

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 ...

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 has some special codes to help you do all that you want to do in the game, find them here!

How do I get Doom Shadow in Sonic Speed Simulator? Doom Shadow can be unlocked by completing the three quests that are part of the Sonic X Shadow Generations collab event.