Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
Building Tycoon!

Building Tycoon! #11688074

39,560
members (measured 11 Nov 2026, 18:10 UTC)
30 July 2021
created (per Roblox API)
10 August 2026
first measured by this register

Building Tycoon! is a Roblox group established on July 30, 2021. The community currently has 39,665 members. It is not ownerless and lacks a verified badge. The group category is not specified in the available data.

Membership history

Growth

39,56039,67639,61810 August 202611 November 2026
169 measurements spanning 93 days, net -116. 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”. The vertical axis spans 39,543–39,693 and does not start at zero.
Measurement log — every members count we have recorded, most recent 20 of 169
Measured (UTC)MembersChange
11 Nov 2026, 08:1039,560-1
10 Nov 2026, 23:0039,561-2
10 Nov 2026, 15:5239,563-1
10 Nov 2026, 04:0039,564-1
8 Nov 2026, 19:3139,565-1
8 Nov 2026, 13:5039,566-1
8 Nov 2026, 11:5039,567-1
7 Nov 2026, 22:3039,568-2
7 Nov 2026, 20:3039,570-1
7 Nov 2026, 11:0039,571-1
7 Nov 2026, 09:1039,572-2
7 Nov 2026, 07:1739,574-1
7 Nov 2026, 07:1039,575-1
6 Nov 2026, 18:0339,576+2
6 Nov 2026, 17:2739,574-1
5 Nov 2026, 19:3439,575-1
5 Nov 2026, 18:5039,576-1
5 Nov 2026, 09:2039,577-1
5 Nov 2026, 03:1739,578-1
4 Nov 2026, 12:2039,579first reading

Ownership

Owned by Deus (@Z_OldManJenkin) as measured.

Owner first observed: user #3388481738 — observed between sweeps, detected 10 Aug 2026, 15:28 UTC

Detection dates bound when a change was seen by this register, not when it happened.

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

Members we’ve seen

Deus (@Z_OldManJenkin) — Grand Prince (rank 255)

Dev_Nevergiveup (@roblox_user_3324455487) — Developer (rank 250)

Muhammad (@EphirusRBLX) — Developer (rank 250)

@SynSFE — Friends (rank 10)

DEVOID (@7DEVOID) — Friends (rank 10) terminated

Steff (@DevSteffy) — Friends (rank 10)

Syn (@SyntaxINC) — Friends (rank 10)

@FloppouDonation — Friends (rank 10)

Kate (@Chica6614) — Friends (rank 10)

RayDoidinho (@GELOFOFO3) — Friends (rank 10)

OPERATIVE (@Orbitfelldown) — Friends (rank 10)

Kage (@llChrisToWaveyll) — Friends (rank 10)

SovietRussia (@SovietMotherland_2) — Friends (rank 10)

Unbound (@Apex_230333) — Friends (rank 10)

DiamondBuildK (@kailubeast) — Friends (rank 10)

Midnight (@sneijderpalm4years) — Friends (rank 10)

pixi (@pipplayz_roblox14) — Friends (rank 10)

EPIC_DUCKY (@dodtom123) — Friends (rank 10)

Leon (@LeOnGameFever) — Friends (rank 10)

angel (@genevabella15) — Friends (rank 10)

Liam (@P7_Q3) — Friends (rank 10)

Tupukistan67 (@CerditoProYT) — Friends (rank 10)

Br1anna (@Sablee17) — Friends (rank 10)

Mario (@marioossitoo) — Friends (rank 10)

wax (@TheKingOfRobcorn) — Friends (rank 10)

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

Rank structure

Grand Prince1
Administrator1
Developer2
Moderator0
Tester0
Game Helper0
Friends39,676
Member39,674
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.