Utrecht Development #13088328

members (measured 31 Aug 2026, 17:10 UTC)

29 November 2021

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 We do not publish numbers we have not measured.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
10 Aug 2026, 23:38	34	first reading

Ownership

Owned by UnknownMan (@Sinman0119) as measured.

Members we’ve seen

UnknownMan (@Sinman0119) — Game Creator (rank 255)

Mandy (@xChickita) — Game Creatorr (rank 254)

Hatsjoe (@Proce2003) — Head dev (rank 3)

Keireltje (@SpeechlessToYou) — Head dev (rank 3)

Dero_LR (@DeRobloxGamer3) — Beta tester (rank 1)

KeesieWeesie (@kesiewesie) — Beta tester (rank 1)

jojo (@jayjaymigche) — Beta tester (rank 1)

Stunt (@stuntmanDaan) — Beta tester (rank 1)

@EenEngeNederlander — Beta tester (rank 1)

Nitro (@nick3344556666) — Beta tester (rank 1)

xyz (@luukiscool125) — Beta tester (rank 1)

Gamer_Tube (@jumpingRyannnn) — Beta tester (rank 1)

Alex (@LuckyAeroZ) — Beta tester (rank 1)

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

Rank structure

Game Creator1

Game Creatorr1

Special access1

Head dev2

🔨Builder4

Member34

Beta tester25

Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

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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.