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[REOPENED] Undertale: Sans AUs Simulator

[REOPENED] Undertale: Sans AUs Simulator

A Roblox experience owned by Deep Connection Studio.

SimulatorENUndertalePet CollectionBoss Battles

Description (written by the developer; not a statement by this register)

X2 Rewards at 315 likes If you leave a dislike then make a feedback so we can improve our game! We are listening to the opinion of the community. The multiverse is breaking… and only your pets can save it! Travel across shattered AUs, battle dangerous mobs, and defeat powerful bosses. Hatch rare pets from eggs or claim them as boss drops, then train them to unleash devastating attacks! Features: Fight Mobs & Bosses – Use your pets to take down enemies in epic battles. Hatch & Collect – Open eggs and get rare pets with unique powers. Explore the AUs – Journey through fractured Undertale universes. Rare Boss Drops – Defeat bosses for exclusive pets and rewards. The soul of every universe is at stake… Will you collect the ultimate team and save them all? Inspired by Sans AU Multiverse Simulator 🚨 Exploiting will result in a permanent unappealable ban. Credits: @merryqld5 [Founder] @netdiis [Co-Founder] IGNORE THIS Tags: Undertale, Au, Simulator, Pets, Boss Fight, UT, undertale, ut

Last updated by the developer 17 Jun 2026, 21:03 UTC.

0
playing (measured 12 Aug 2026, 21:00 UTC)
48,915
lifetime visits
85%
liked (347 👍 / 60 👎)
426
favourites (8.7 per 1k visits)
4 July 2025
created (per Roblox)

Play on Roblox →

Live players over time

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every players count we have recorded
Measured (UTC)PlayersChange
12 Aug 2026, 21:000first reading

Concurrent players at each of our measurements (insert-on-change).

Monetization — game passes

+2 Pet Equip
699 R$
TripleHatch
499 R$
x2 Dust
449 R$
Autohatch
119 R$
+50 Storage
99 R$

Game passes for sale and their prices, measured from the Roblox passes API. Developer products bought inside the game aren’t publicly listable.

Badge funnel

Welcome · welcome12,354 · 0.00% win
Ruins Dust Sans Beaten · progression4,884 · 0.00% win
Snowdin Dust Sans Beaten · progression2,955 · 0.00% win
Jack? Who's Jack? · secret2,261 · 0.00% win
Waterfall Dust Beaten · progression2,085 · 0.00% win
Reaper Sans Beaten · progression1,613 · 0.00% win

How many players have ever earned each badge — a proxy for how far players get before they stop. Steep drop-offs mark where a game loses people. Win rate is the past-day share of players who earned it; categories are assigned by a language model from each badge’s own name and description.