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.

Can Shadow the Hedgehog be unlocked for free in Sonic Speed Simulator? Yes, Shadow is obtainable for free and requires no Robux payments to unlock.

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: ...

Red Star Rings are the main currency of Sonic Speed Simulator on Roblox. They are used for everything from fusing Chao and Trails, purchasing and leveling up Characters, getting sets of your ...

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

Is Sonic.Exe: The Disaster free to play? Yes, Sonic.Exe: The Disaster is completely free to play and does not have gameplay features or elements locked behind a paywall.