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JamDev Simulator

JamDev Simulator #8565339

162
members (measured 27 Sept 2026, 22:30 UTC)
9 December 2020
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 We do not publish numbers we have not measured.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)MembersChange
10 Aug 2026, 16:22162first reading

Ownership

Owned by @JamDeveloper 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

@JamDeveloper — Owner (rank 255)

@yHasteeD — Developers (rank 15)

RyyAn13 (@ryyan3940) — Developers (rank 15)

@JeeffBlox — Contributors (rank 14) terminated

@Awaxzel — Contributors (rank 14)

Meme (@THEPROISLAVATEST) — Member (rank 1)

Dunk (@RERE10905yyryfgvjjff) — Member (rank 1)

pride (@pollytintas) — Member (rank 1)

zRob (@robthunderclads) — Member (rank 1)

@Super_Maxx03 — Member (rank 1) terminated

egg (@DangerPoo20) — Member (rank 1)

guibanana (@srjubiscleudo) — Member (rank 1)

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

Rank structure

Owner1
Head Developers0
Developers2
Contributors2
Testers0
Member162
Member157
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.