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Undertale Online

Undertale Online #3462361

541
members (measured 17 Oct 2026, 06:31 UTC)
6 September 2017
created (per Roblox API)
10 August 2026
first measured by this register

Game studiosENgamingfan-gameundertale

Description

This is the official group for Undertale Online and Undertale Encore. Current Project: https://www.roblox.com/games/8999010600/Undertale-Encore-Waterfall

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

Membership history

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 We do not publish numbers we have not measured.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 members count we have recorded
Measured (UTC)MembersChange
10 Aug 2026, 23:02541first reading

Ownership

Owned by @Oruks as measured.

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

Experiences

0
players in this group’s experiences right now
13,163
lifetime visits across 2 experiences

Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.

Members we’ve seen

@Oruks — The Re:Creator (rank 255)

@Kimokoe — Developer (rank 253)

Rahin (@Rahhinn) — Alpha Tester (rank 100)

@Myrtime — Alpha Tester (rank 100)

@Nitro — Alpha Tester (rank 100)

MasterNecro (@MasterNecronic) — Alpha Tester (rank 100)

Spork (@vestellaris) — Alpha Tester (rank 100)

Just_Soulfull (@SoulfullFunkey) — Alpha Tester (rank 100)

saya (@Sayaphic) — Veteran (rank 50)

Cobra (@EverlastingCobra) — Veteran (rank 50)

ShinaiShadow (@ShinaiShadowZT_X) — Ultra Soul (rank 4)

@galaga49 — Ultra Soul (rank 4)

Raven (@RavenDCXII) — Strong Soul (rank 3)

roy (@Royukie) — Strong Soul (rank 3)

Cast (@BigBoyBeppo) — Strong Soul (rank 3)

braden (@Braden_Kun) — Strong Soul (rank 3)

El Fuiste (@VertexPrimus) — Soul (rank 1)

smiley (@LeSmileyTrashbag) — Soul (rank 1)

@DokuDako — Soul (rank 1) terminated

UnrealDev (@UnrealDevloper) — Soul (rank 1)

selkie (@SomaSeiko) — Soul (rank 1)

vey (@veilolance) — Soul (rank 1)

undeadrootb22rbombs (@chillinginacloset) — Soul (rank 1)

Spyder (@SpyderDonuts) — Soul (rank 1)

jerrye (@jerryebewildin) — Soul (rank 1)

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

Rank structure

The Re:Creator1
Developer1
Head Staff0
Staff0
-------------0
Alpha Tester22
Beta Tester0
Veteran12
Ultra Soul2
Strong Soul8
Silenced Soul0
Member541
Soul495
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.

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.