How to redeem codes in A Universal Time Boot up Roblox and enter A Universal Time. Choose any game mode, and click on the two stripes at the bottom of the UI to bring up a menu. Click on the Shop ...

Well, there’s the AUT 3.0 Discord server, as well as the official Roblox group, Universe Time Studio. You should be a member of the latter already due to it being a requirement for redeeming codes.