Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
Final Boss Developers

Final Boss Developers #617546607

4,507,742
members (measured 3 Sept 2026, 13:17 UTC)
6 May 2026
created (per Roblox API)
10 August 2026
first measured by this register

Final Boss Developers is a Roblox group community created on May 6, 2026. It has 3,640,507 members and holds a verified badge. The group is not ownerless. Its category is not specified.

Membership history

Growth

3,351,9424,507,7423,929,84210 August 20263 September 2026
1327 measurements spanning 24 days, net +1,155,800. 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 3,178,572–4,681,112 and does not start at zero.
Measurement log — every members count we have recorded, most recent 20 of 1327
Measured (UTC)MembersChange
3 Sept 2026, 13:174,507,742+474
3 Sept 2026, 13:004,507,268+213
3 Sept 2026, 12:524,507,055+582
3 Sept 2026, 12:304,506,473+271
3 Sept 2026, 12:204,506,202+2,125
3 Sept 2026, 11:024,504,077+12
3 Sept 2026, 11:014,504,065+4,256
3 Sept 2026, 07:424,499,809+55
3 Sept 2026, 07:404,499,754+832
3 Sept 2026, 06:514,498,922+429
3 Sept 2026, 06:214,498,493+13
3 Sept 2026, 06:204,498,480+508
3 Sept 2026, 05:514,497,972+198
3 Sept 2026, 05:414,497,774+1,329
3 Sept 2026, 04:244,496,445+23
3 Sept 2026, 04:224,496,422+389
3 Sept 2026, 04:004,496,033+136
3 Sept 2026, 03:514,495,897+1,207
3 Sept 2026, 02:424,494,690+219
3 Sept 2026, 02:314,494,471first reading

Ownership

Owned by Master_Dev (@Mastieve) as measured.

Claimed by 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.

Experiences

3,392
players in this group’s experiences right now
47,811,228
lifetime visits across 1 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)

@yahaha2015Member (rank 1)

@DilaboyMember (rank 1)

Cute_Jory (@xroro33x)Member (rank 1)

Vacilala_RM (@CARD_1705)Member (rank 1)

@Minikkahraman61Member (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)

@Rasi5AMember (rank 1)

reem2369 (@LEEN09828)Member (rank 1)

99x (@1lilx_0)Member (rank 1)

INTP (@Sgejsvvsjl)Member (rank 1)

Cathal13 (@ItzCathalGames)Member (rank 1)

@rlkluizin880Member (rank 1)

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

Rank structure

Owner1
Admin1
Member3,408,719
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.