by PoweringFluffyBoys
The legendary Undertale AU RPG Codes
Working The legendary Undertale AU RPG Codes
Last updated August 22, 2026
No working codes right now
We're tracking The legendary Undertale AU RPG and will list codes here the moment the developers release them. If you spot one first, send it our way below.
How to redeem codes in The legendary Undertale AU RPG
- Launch The legendary Undertale AU RPG on Roblox.
- Look for a Codes, Shop or settings button — usually on the side of the screen.
- Paste the code exactly as shown above. Codes are case-sensitive.
- Press redeem to claim your reward.
Codes expire without warning — if one fails, it was almost certainly pulled by the developer.
Found a code we're missing?
Submit it and we'll verify it before it goes live.
About The legendary Undertale AU RPG
Hello, Welcome to my game, this game is about RPG and UNDERTALE the game is WIP aka Work In Progress... Rules : No swearing, No insults, Exploits isn't allowed here, Glitch is autorised. If you wanna find the Fan group go on my Profil and you'll see somewhere Something name d "The legendary Undertale AU Group" or Something. And that's it! And btw begging isn't allowed