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Backrooms: Out of Bounds

Backrooms: Out of Bounds #33313860

70
members (measured 13 Oct 2026, 16:03 UTC)
29 October 2023
created (per Roblox API)
10 August 2026
first measured by this register

Game studiosENgaminghorrorbackrooms

Description

Official group for Backrooms: Out of Bounds

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

Membership history

Growth

657067.511 August 2026 — 66 members23 August 2026 — 65 members7 September 2026 — 66 members8 September 2026 — 68 members20 September 2026 — 70 members11 August 202620 September 2026
5 measurements spanning 40 days, net +4. 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 64–71 and does not start at zero.
Measurement log — every members count we have recorded
Measured (UTC)MembersChange
20 Sept 2026, 05:3270+2
8 Sept 2026, 22:0268+2
7 Sept 2026, 03:0366+1
23 Aug 2026, 13:0865-1
11 Aug 2026, 00:1666first reading

Ownership

Owned by HellioTheGreat (@rosepettle145) 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

HellioTheGreat (@rosepettle145) — Owner (rank 255)

AB_XI (@AB_XIl) — Developer (rank 252)

Aaron (@Aaron901901901) — Developer (rank 252)

gauf (@g4uthee) — Developer (rank 252)

@Hzodx — Tester (rank 250)

Chamillion (@ChamillionOG) — Member (rank 1)

Alternate_Intentions (@Lunisolar_Local) — Member (rank 1)

himothy (@NotSeanTheDevv) — Member (rank 1)

@Syndexis — Member (rank 1)

TheLuminosity (@Axdamoo) — Member (rank 1)

Craft (@CraftPiano) — Member (rank 1)

yvzen (@Chinchlllyplayz) — Member (rank 1)

Chiltinix (@Fuzzyblue_987) — Member (rank 1)

Cosmic (@CharlieCheetahBoy) — Member (rank 1)

Gabe (@gabrieleivazians2041) — Member (rank 1)

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

Rank structure

Owner1
Admin2
Lead Developer0
Developer7
Tester7
Member66
Member51
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.