by SlayerRealNotFake
Undertale Multiverse Simulator 1.5 Codes
Working Undertale Multiverse Simulator 1.5 Codes
Last updated August 21, 2026
No working codes right now
We're tracking Undertale Multiverse Simulator 1.5 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 Multiverse Simulator 1.5
- Launch Undertale Multiverse Simulator 1.5 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 Multiverse Simulator 1.5
This game is continuation of Undertale Multiverse Simulator, game got hacked and after a year its back. Press R on PC to low health yourself Press Z on PC to use Emote Wheel