Opp Killers (OP) #16004238

members (measured 24 Aug 2026, 08:15 UTC)

28 September 2022

created (per Roblox API)

10 August 2026

first measured 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 We do not publish numbers we have not measured.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)	Members	Change
14 Aug 2026, 23:02	23	first reading

Ownership

Owned by HelloGuys (@Dont_ForReal1) as measured.

Members we’ve seen

HelloGuys (@Dont_ForReal1) — [λ] Main Founder (rank 255)

mani (@jixmovin) — [父] New Comers (rank 1)

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

Rank structure

[λ] Main Founder1

[父] 2nd Main Founder0

[父] OP Founder0

[父] Co Founder0

[父] Manager0

[父] Head of Staff0

[父] Staff0

[父] WarTeam0

[父] Full Access0

[父] OP Trial Staff0

[父] Access Trade(not op)0

[父] OP Allied Leaders0

[父] OP Operatives0

[父] Half Access0

[父] OP Sergeant0

[父] Operator0

[父] Trial Killers0

Member23

[父] New Comers22

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.

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x08y#14750482 · 2 shared members

9,467

[DS] Deathly Sins#15032355 · 2 shared members

8,702

Graveyard ¥#14939078 · 2 shared members

7,811

Afficials#8401073 · 2 shared members

4,796

TTS(Top Tier Shoota’s)#14914243 · 2 shared members

542

Chicago Remastered Stars#14131630 · 2 shared members

463

OTD Disciples#14497111 · 2 shared members

220

OverHeavenxe#16081046 · 2 shared members

Wiggity.#12836673 · 1 shared members

30,276,892

BIG Games Pets#3959677 · 1 shared members

29,204,626

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.