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Undertale Determination Ops Group

Undertale Determination Ops Group #15659882

11
members (measured 22 Sept 2026, 06:14 UTC)
13 August 2022
created (per Roblox API)
10 August 2026
first measured by this register

Game fan groupsENgamingfan communityundertale

Description

Hello This Is The Official Group For UnderTale Determination Ops And No This Is Not Connected to the game but it is the group for it please do not shout random stuff. Rules No Spamming No Bullying or being Toxic No Scamming No rude replies Do Not Spam Me For Updates Etc That's All Have Fun

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 We do not publish numbers we have not measured.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
4 Sept 2026, 14:4111first reading

Ownership

Owned by Inverted (@digitaloverlord5564) as measured.

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

Members we’ve seen

Inverted (@digitaloverlord5564) — Omnipotent (rank 255)

Monsta (@ILuvvvvWinter) — Admin (rank 248) terminated

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

Rank structure

Omnipotent1
Developer2
Hyper Dust0
Admin1
OG2
Member11
Determined5
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.