In Sonic Speed Simulator, you can collect various skins like Sonic, Tails, and Knuckles. They are not just cosmetic upgrades, as each character comes with their own set of abilities and perks.

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: ...

Sonic Speed Simulator for Roblox adds new characters every other update, and Knuckles the Echidna wraps up the classic character roster nicely.