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.

Open Speed Run Simulator codes on the Roblox Player app.; Use the blue Twitter bird icon on the right to open the code interface. Enter an active code in the text box and press Verify to receive ...

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.