Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
One Piece Millennium

One Piece Millennium #4570453

429,496
members (measured 3 Nov 2026, 08:30 UTC)
5 December 2018
created (per Roblox API)
10 August 2026
first measured by this register

Game studiosENgamingstudiocommunity

One Piece Millennium is a Roblox group categorized as a game studio. It was created on December 5, 2018. The group has 430,254 members. It is not verified and is not ownerless.

Description

Fosc Studio

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

Membership history

Growth

429,495430,291429,893429,49610 August 20263 November 2026
1030 measurements spanning 85 days, net -795. 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 429,376–430,410 and does not start at zero.
Measurement log — every members count we have recorded, most recent 20 of 1030
Measured (UTC)MembersChange
3 Nov 2026, 07:20429,496+1
3 Nov 2026, 03:18429,495-1
3 Nov 2026, 02:14429,496-1
3 Nov 2026, 00:44429,497-1
2 Nov 2026, 18:22429,498-1
2 Nov 2026, 16:18429,499-1
2 Nov 2026, 15:36429,500-1
2 Nov 2026, 14:24429,501-1
2 Nov 2026, 12:17429,502+1
2 Nov 2026, 11:57429,501-1
2 Nov 2026, 09:50429,502-1
2 Nov 2026, 09:40429,503-1
2 Nov 2026, 07:45429,504-1
2 Nov 2026, 04:00429,505-1
2 Nov 2026, 03:04429,506+1
2 Nov 2026, 02:48429,505-1
2 Nov 2026, 01:36429,506-1
2 Nov 2026, 01:00429,507-1
1 Nov 2026, 23:57429,508-1
1 Nov 2026, 23:06429,509first reading

Ownership

Owned by Fosc (@F_0sc) as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Experiences

0
players in this group’s experiences right now
111,189,845
lifetime visits across 3 experiences

Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.

Studio track record

3 experiences, 111,189,845 total visits, 0 playing now, newest released 16 October 2020.

Biggest hit: experience #975959945 with 68,179,870 visits.

Totals cover the experiences this group owns that this register has measured, as of our last measurement.

Members we’ve seen

Fosc (@F_0sc) — Holder Account (rank 255)

Darkonix (@Darkonixw) — Lead DEV (rank 253)

AMS (@AlexUltimate69AD) — Contributors (rank 9)

@m1t_3 — Contributors (rank 9)

Bijenkorf (@Bijenkorff) — Contributors (rank 9)

IceJang (@A_shinGuild) — Tester (rank 8)

Eri (@Tygnysy54) — Tester (rank 8)

@Grummbean — Tester (rank 8)

Astralworldzzz (@AstralvxZ) — Tester (rank 8)

paek (@56778dakolivanos) — Tester (rank 8)

NinjutsuAmbulante (@Fectay) — Tester (rank 8)

BangAun846_Faris (@babaja846) — Tester (rank 8)

Jester (@hypologic) — Tester (rank 8)

teri (@TeriyakiKamakura) — Tester (rank 8)

Dominic (@THEBRO242424) — Tester (rank 8)

viori (@viorisoul) — Tester (rank 8)

rip_axiore (@Axiore) — Associate (rank 7)

oGVexx (@LouDaREALGamer) — Associate (rank 7)

TheGreatACE (@TheGreatAced) — Associate (rank 7)

@Uncle_Kizaru — Associate (rank 7)

@builderboy100009 — Associate (rank 7)

@Poddrans — Fans (rank 6)

Javi (@JaviRoak) — Fans (rank 6)

otamayo (@Oetamayo) — Fans (rank 6)

GrindsFG (@Yyi877uilok) — Fans (rank 6)

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

Rank structure

Holder Account1
Owner0
Lead DEV2
Developer0
STAFF | HR1
Contributors3
Tester48
Associate5
Fans1,181
Member429,107
Member430,281
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.