Undertale AU RPG #4810917

2,147

members (measured 18 Oct 2026, 23:11 UTC)

21 March 2019

created (per Roblox API)

10 August 2026

first measured by this register

Game fan groupsENUndertaleRoleplayFan Group

Description

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Written by the group; not a statement by this register.

Membership history

Growth

3 measurements spanning 53 days, net -2. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 2,147–2,149 and does not start at zero.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
2 Oct 2026, 02:21	2,147	-1
11 Aug 2026, 17:20	2,148	-1
10 Aug 2026, 11:43	2,149	first reading

Ownership

Owned by @YeinYN as measured.

Claimed by user #172900606 — observed between sweeps, detected 10 Aug 2026, 13:55 UTC

Detection dates bound when a change was seen by this register, not when it happened.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Members we’ve seen

@YeinYN — Owner (rank 255)

@Mr_Evil1233 — Member (rank 1)

Zemplager (@rmajsid12) — Member (rank 1)

NoChatUndertaleSans (@tweetyksa) — Member (rank 1)

utdmg (@UndertaleDamage) — Member (rank 1)

Superr (@SuperDmitro1) — Member (rank 1)

Burbo (@TurboCanada) — Member (rank 1)

NakanoNino (@1t4ly5) — Member (rank 1)

Liberator (@FluffiWithSoulSword) — Member (rank 1)

HiddenDuck (@dragonvuong) — Member (rank 1) terminated

Lucasian (@JimmyTheCoolest100) — Member (rank 1)

Goofy Goober (@neneflips123) — Member (rank 1)

StarryTraveler (@xnimal_xerrell) — Member (rank 1)

Kaede_sushi (@kaede00000) — Member (rank 1)

Flyer (@Reboot900000) — Member (rank 1)

@YTchaex_474927 — Member (rank 1)

DuskullT (@blizzardninja200m) — Member (rank 1)

Phantom (@GalacticPh4nt0m) — Member (rank 1)

@Chromerior — Member (rank 1) terminated

Katie (@onlycr1mson) — Member (rank 1)

LifePiercer (@ultradoge9999brother) — Member (rank 1)

Ice (@flowyisaboi1990) — Member (rank 1)

@cyuxxepro — Member (rank 1) terminated

Ink (@Ink7968) — Member (rank 1)

TheGuyTho (@byronjoan) — Member (rank 1)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

Owner1

Member2,148

Member2,147

Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

Undertale AU Games#4938194 · 107 shared members

Chillz Studios#2782840 · 103 shared members

Scriptbloxian Studios#4705120 · 91 shared members

Paradoxum Games#4914494 · 80 shared members

The Flamingo Fan Club#3336691 · 77 shared members

Bee Swarm Simulator Club#3982592 · 75 shared members

LSPLASH#3049798 · 73 shared members

YN Studio#5272520 · 72 shared members

Slap Battles#9950771 · 69 shared members

Rumble Studios#3333298 · 66 shared members

Nosniy Games#3461453 · 64 shared members

BIG Games Pets#3959677 · 61 shared members

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.