Sinister Operations #3875949

8

members (measured 24 Oct 2026, 02:45 UTC)

14 February 2018

created (per Roblox API)

10 August 2026

first measured by this register

OtherENsocialgaming community

Description

All Sinisters are welcome here. Actively looking for more people to join the group and adopt the Sinister name. From game developers to anyone that wants to hang out, join us. Thanks for joining! Founder: SinisterSpook [PM SinisterSpook with any game ideas, small or large!]

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

Membership history

Growth

2 measurements spanning 74 days, net +7. 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”.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
24 Oct 2026, 02:45	8	+7
10 Aug 2026, 22:50	1	first reading

Ownership

Owned by @SinSpookin 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

275

lifetime visits across 1 experiences

Sinister Operations's Place Number: 00 playing now

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

Members we’ve seen

@SinSpookin — SinisterSpook (rank 255)

Lvcid (@LvcidDream) — Friend (rank 1)

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

Rank structure

SinisterSpook1

Developer0

Mod0

Honorable Sinister0

Sinister0

Member1

Friend0

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.

Catalog Avatar Creator#15102943 · 2 shared members

Memory Hog#34344593 · 2 shared members

brick rng#34129631 · 2 shared members

Nosniy Games#3461453 · 1 shared members

BIG Games Pets#3959677 · 1 shared members

Sonar Studios#2919215 · 1 shared members

Chillz Studios#2782840 · 1 shared members

Quataun#12121240 · 1 shared members

Current.#34852864 · 1 shared members

Bee Swarm Simulator Club#3982592 · 1 shared members

Dress To Impress Group#17264167 · 1 shared members

(学乱) Gakuran#416091513 · 1 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.