YS: Backroom #521585702
Membership history
Growth
| Measured (UTC) | Members | Change |
|---|---|---|
| 19 Oct 2026, 10:48 | 117 | +6 |
| 18 Oct 2026, 07:33 | 111 | +18 |
| 14 Oct 2026, 04:58 | 93 | +1 |
| 13 Oct 2026, 16:48 | 92 | +1 |
| 11 Oct 2026, 15:30 | 91 | +5 |
| 2 Oct 2026, 07:46 | 86 | +1 |
| 1 Oct 2026, 01:02 | 85 | +26 |
| 17 Sept 2026, 12:50 | 59 | +2 |
| 11 Sept 2026, 15:08 | 57 | +1 |
| 10 Sept 2026, 03:29 | 56 | +20 |
| 27 Aug 2026, 03:55 | 36 | +3 |
| 21 Aug 2026, 17:45 | 33 | +5 |
| 17 Aug 2026, 19:35 | 28 | +13 |
| 14 Aug 2026, 10:37 | 15 | first reading |
Ownership
Owned by Zarbles (@MarblesYak) as measured.
Changed hands 1 time
Transferred from user #56284531 to user #1055203349 — observed between sweeps, detected 11 Oct 2026, 15:30 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
KoiYaK (@petersumo002) — Owner (rank 255)
Josh (@AdventJosh) — Lead (rank 254)
Pump (@PumpYaK) — Lead (rank 254)
Lonely (@Musihada) — Studio Developers (rank 253)
ryry (@TimstaYaK) — Studio Developers (rank 253)
Rain (@RynaBiggestFan) — Studio Developers (rank 253)
Blake (@Buakeu) — Developer (rank 200)
Yuki (@Kirewai) — Developer (rank 200)
Brno (@Brnolife) — Developer (rank 101)
Hunter (@hunter_develops) — Tester (rank 5)
c_milo (@NoahsEpicness) — Tester (rank 5)
Ban (@PopStarBananna) — Tester (rank 5)
@Erfan_BG — Member (rank 1)
Teto (@tetominakoalbarn) — Member (rank 1)
Kapone (@Lob5rt) — Member (rank 1)
Boogie (@mizakani) — Member (rank 1)
TaylorTempest (@LxTempest) — Member (rank 1)
Rimuru (@MarsMarkys) — Member (rank 1)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
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.