A fan favorite, Shadow the Hedgehog also makes an appearance in Sonic Speed Simulator. You can unlock him for free by following this guide, and in no time you'll be gliding around Green Hill Zone ...

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

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.

Likewise, If Roblox players manage to rack up 10,000 "likes" for Sonic Speed Simulator, they'll unlock an exclusive Sonic the Hedgehog skin for their avatar.

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.