Backrooms Day 99 #146604302
Backrooms Day 99 is a Roblox group community established on April 25, 2026. The group currently has 33,819 members and holds a verified badge. It is not ownerless. The category field is null.
Membership history
Growth
| Measured (UTC) | Members | Change |
|---|---|---|
| 1 Sept 2026, 04:21 | 35,454 | +8 |
| 1 Sept 2026, 02:30 | 35,446 | +5 |
| 1 Sept 2026, 01:00 | 35,441 | +3 |
| 1 Sept 2026, 00:32 | 35,438 | +6 |
| 31 Aug 2026, 22:40 | 35,432 | +9 |
| 31 Aug 2026, 20:42 | 35,423 | +5 |
| 31 Aug 2026, 18:51 | 35,418 | +5 |
| 31 Aug 2026, 16:30 | 35,413 | +6 |
| 31 Aug 2026, 15:01 | 35,407 | -1 |
| 31 Aug 2026, 14:50 | 35,408 | +13 |
| 31 Aug 2026, 13:03 | 35,395 | +6 |
| 31 Aug 2026, 11:11 | 35,389 | +10 |
| 31 Aug 2026, 09:20 | 35,379 | +8 |
| 31 Aug 2026, 07:21 | 35,371 | +5 |
| 31 Aug 2026, 05:30 | 35,366 | +10 |
| 31 Aug 2026, 03:32 | 35,356 | +9 |
| 31 Aug 2026, 01:40 | 35,347 | +4 |
| 30 Aug 2026, 23:41 | 35,343 | +15 |
| 30 Aug 2026, 21:50 | 35,328 | +15 |
| 30 Aug 2026, 19:41 | 35,313 | first reading |
Ownership
Owned by happy (@DevelopedByHappy) as measured.
Claimed by user #73634311 — observed between sweeps, detected 10 Aug 2026, 16:32 UTC
Detection dates bound when a change was seen by this register, not when it happened.
Experiences
Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.
Members we’ve seen
happy (@DevelopedByHappy) — Owner (rank 255)
@23avoinea — Member (rank 1)
Rom_DEV (@RobloxTeam_HQ) — Member (rank 1)
Iris (@Siartiasn) — Member (rank 1)
Iniko (@Iniko_Enyo) — Member (rank 1)
V4mp (@fresa0203) — Member (rank 1)
@EA_Data — Member (rank 1)
Rebzyyx (@lilibellule44) — Member (rank 1)
invisibruh (@Tmasterxtreme) — Member (rank 1)
@RocketMcRock — Member (rank 1)
hfr (@hfr_theEpic) — Member (rank 1)
@kweun19 — Member (rank 1)
@skyfloans — Member (rank 1)
Red_Laser (@MarioFanX326) — Member (rank 1)
ItzMossy (@Jayrobloxyt0) — Member (rank 1)
@zisarid — Member (rank 1)
@Simpilex — Member (rank 1)
uwu (@kwornia) — Member (rank 1)
Lampert (@boogiewoogie1098) — Member (rank 1)
@vsunghov — Member (rank 1)
Jbd (@THUNDER2022LIGHNING) — Member (rank 1)
ithrowtomatoes (@itsAboutDrive_doge) — Member (rank 1)
retry (@retrystu) — Member (rank 1)
maddkrow (@onyxkrow) — Member (rank 1)
Linnxy (@LinnxyReal) — 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.