by Undertale: Quantum Realities Studio
Undertale: Quantum Realities Codes
Working Undertale: Quantum Realities Codes
Last updated August 21, 2026
No working codes right now
We're tracking Undertale: Quantum Realities 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: Quantum Realities
- Launch Undertale: Quantum Realities 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: Quantum Realities
The game contain FLASHING LIGHTS that may TRIGGER SEIZURES for people with PHOTOSENSITIVE EPILEPSY. - Undertale Quantum Realities, shortly UQR (U:QR) is a fighting genre game where you fight as characters from Undertale and Undertale Alternative Universes (Undertale AU's). We recommend you read the game guide! - Each character is designed to be unique and have their strong and weak sides, passives and abilities; We are trying to make the game interesting to play. If you have any suggestions, balance changes or bugs then feel free to tell us about them in the Community server! - Game Rules - 1. No exploiting/cheating 2. No bug abusing & tab-glitching 3. No farming with alt accounts, friends or any other person 4. No toxicity behaviour & harrasment 5. No pretend staff member in harmful way - This game is in BETA version