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, 18:40 | 5,901,868 | +108 |
| 31 Oct 2026, 18:30 | 5,901,760 | +130 |
| 31 Oct 2026, 18:20 | 5,901,630 | +387 |
| 31 Oct 2026, 17:50 | 5,901,243 | +59 |
| 31 Oct 2026, 17:46 | 5,901,184 | +387 |
| 31 Oct 2026, 17:16 | 5,900,797 | +253 |
| 31 Oct 2026, 16:57 | 5,900,544 | +109 |
| 31 Oct 2026, 16:50 | 5,900,435 | +125 |
| 31 Oct 2026, 16:40 | 5,900,310 | +143 |
| 31 Oct 2026, 16:30 | 5,900,167 | +431 |
| 31 Oct 2026, 16:00 | 5,899,736 | +1,065 |
| 31 Oct 2026, 14:50 | 5,898,671 | +3 |
| 31 Oct 2026, 14:50 | 5,898,668 | +343 |
| 31 Oct 2026, 14:30 | 5,898,325 | +148 |
| 31 Oct 2026, 14:22 | 5,898,177 | +337 |
| 31 Oct 2026, 14:00 | 5,897,840 | +1,075 |
| 31 Oct 2026, 13:00 | 5,896,765 | +158 |
| 31 Oct 2026, 12:50 | 5,896,607 | +201 |
| 31 Oct 2026, 12:40 | 5,896,406 | +518 |
| 31 Oct 2026, 12:10 | 5,895,888 | 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.