Speed Run Simulator codes are the best way to improve your overall speed in this Roblox experience.

Launch Roblox and join Speed Run Obby. On the left-hand side, choose Settings, the little cog icon next to the Invite button. In Settings, scrolls down to find the code redemption window.

The game creator releases the Roblox Speed Run 4 in-game codes. These codes can be redeemed for new dimensions and memes. In-game codes are usually only accessible for a limited time.

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 game is available on all sorts of platforms, but if you play it on Chromebooks, a new update will make you smile!