by TheDiabetesWarrior
Undertale: AU Judgement Codes
Working Undertale: AU Judgement Codes
Last updated August 22, 2026
No working codes right now
We're tracking Undertale: AU Judgement 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 Undertale: AU Judgement
- Launch Undertale: AU Judgement 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 Undertale: AU Judgement
Welcome to Undertale: AU Judgement. In this game you use Xp to unlock your favorite Undertale AU character and put them to the test against your enemys. Productions Group: https://www.roblox.com/groups/16108531/TheDiabetesWarrior-Productions#!/about Update Log: - Revamped Killer Sans Snowdin, Killer Sans Waterfall, Dust Sans, Love Sans, Sansta - Data Reset. Credits: TheDiabetesWarrior: Game Creator SaltySquid17: Developer Server Members: Beta Testers Toby, Temmie, and all AU creators: Undertale and it's AUs