Undertale Multiverse Simulator 1.5
SlayerRealNotFake
Creator
Playing right now
Between 183 and 194 over the last 24 hours.
Power-ups
All-time numbers from the game's Roblox page.
3.6M
Since it opened on 22 May 2026.
6,373
Players who saved it.
87%
3,233 likes, 463 dislikes.
15
Players per server, one stud each.
Screens
From the game's store page.
Patch notes
Each publish we saw, and how many players were in the hour before and after.
- 22 May 2026Opened
- 12 Nov 2026Last publish
- 12 Nov 2026We started counting
No patches yet. Undertale Multiverse Simulator 1.5 hasn't published an update since we started counting on 12 Nov.
About the game
In SlayerRealNotFake's words.
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 Shiftlock for gamepads: X button
- World
- Action
- Kind
- Battlegrounds & Fighting
Players also jump into
Other Action games with the most players right now.
Is Undertale Multiverse Simulator 1.5 yours? See inside it, live.
This page is what anyone can see. Studwise for developers shows the rest as it happens: every server and every player, where they quit and how each update landed.