Final Boss Developers #617546607
Final Boss Developers is a Roblox group community established on May 6, 2026. The group has 5,519,591 members and holds a verified badge. It is not ownerless. No specific category is assigned.
Membership history
Growth
| Measured (UTC) | Members | Change |
|---|---|---|
| 31 Oct 2026, 09:10 | 5,893,128 | +45 |
| 31 Oct 2026, 09:08 | 5,893,083 | +100 |
| 31 Oct 2026, 09:00 | 5,892,983 | +143 |
| 31 Oct 2026, 08:50 | 5,892,840 | +294 |
| 31 Oct 2026, 08:26 | 5,892,546 | +63 |
| 31 Oct 2026, 08:20 | 5,892,483 | +991 |
| 31 Oct 2026, 07:10 | 5,891,492 | -1 |
| 31 Oct 2026, 07:10 | 5,891,493 | +255 |
| 31 Oct 2026, 06:50 | 5,891,238 | +280 |
| 31 Oct 2026, 06:30 | 5,890,958 | +880 |
| 31 Oct 2026, 05:20 | 5,890,078 | +139 |
| 31 Oct 2026, 05:10 | 5,889,939 | +138 |
| 31 Oct 2026, 05:00 | 5,889,801 | +389 |
| 31 Oct 2026, 04:30 | 5,889,412 | +829 |
| 31 Oct 2026, 03:30 | 5,888,583 | +71 |
| 31 Oct 2026, 03:24 | 5,888,512 | +41 |
| 31 Oct 2026, 03:20 | 5,888,471 | +150 |
| 31 Oct 2026, 03:10 | 5,888,321 | +443 |
| 31 Oct 2026, 02:40 | 5,887,878 | +997 |
| 31 Oct 2026, 01:30 | 5,886,881 | first reading |
Ownership
Owned by Master_Dev (@Mastieve) as measured.
Owner first observed: user #591336089 — observed between sweeps, detected 10 Aug 2026, 12:10 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.
Experiences
Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.
Members we’ve seen
Master_Dev (@Mastieve) — Owner (rank 255)
CATALYZE (@MrCatalyze) — Admin (rank 254)
Fabs (@Fabs_Studios) — Member (rank 1)
@yahaha2015 — Member (rank 1)
@Dilaboy — Member (rank 1)
Cute_Jory (@xroro33x) — Member (rank 1)
Vacilala_RM (@CARD_1705) — Member (rank 1)
@Minikkahraman61 — Member (rank 1)
ROR (@LOVETALA_AROOB) — Member (rank 1)
aFool (@CLKpvp) — Member (rank 1)
5 glory (@C0NV1CTED_FELL0N) — Member (rank 1)
Anaxls9 (@anaxls9) — Member (rank 1)
CrisDevRBL (@quanghungnedz) — Member (rank 1)
by_m0v (@creatorHAD) — Member (rank 1)
AXDev (@obedthebest5) — Member (rank 1)
511 (@bonylso) — Member (rank 1)
Sadie (@Fennec_3939) — Member (rank 1)
RGPH_SONNY (@Maruai_6605) — Member (rank 1)
NHA_Hazem (@GusYtverificado3) — Member (rank 1)
@Rasi5A — Member (rank 1)
reem2369 (@LEEN09828) — Member (rank 1)
99x (@1lilx_0) — Member (rank 1)
INTP (@Sgejsvvsjl) — Member (rank 1)
Cathal13 (@ItzCathalGames) — Member (rank 1)
@rlkluizin880 — 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.