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RBWR Simulation Community

RBWR Simulation Community #16332057

70,701
members (measured 3 Sept 2026, 15:08 UTC)
18 November 2022
created (per Roblox API)
10 August 2026
first measured by this register

Game studiosENsimulationengineeringeducational

RBWR Simulation Community is a Roblox group categorized as a game studio. It was created on November 18, 2022. The group has 65,852 members. It is not ownerless and does not have a verified badge.

Description

[RBWR] Realistic Boiling Water Reactor Simulation Community Welcome!

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

Membership history

Growth

64,29270,70167,496.510 August 20263 September 2026
2703 measurements spanning 24 days, net +6,409. 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 63,331–71,662 and does not start at zero.
Measurement log — every members count we have recorded, most recent 20 of 2703
Measured (UTC)MembersChange
3 Sept 2026, 15:0870,701+2
3 Sept 2026, 15:0070,699+4
3 Sept 2026, 14:3670,695+1
3 Sept 2026, 14:3570,694+1
3 Sept 2026, 14:2570,693+1
3 Sept 2026, 14:1770,692+1
3 Sept 2026, 14:0270,691+5
3 Sept 2026, 13:2270,686+3
3 Sept 2026, 13:1170,683+2
3 Sept 2026, 13:0270,681+1
3 Sept 2026, 12:5870,680+1
3 Sept 2026, 12:5070,679+2
3 Sept 2026, 12:4270,677+1
3 Sept 2026, 12:4070,676+1
3 Sept 2026, 12:2770,675+1
3 Sept 2026, 12:1870,674+3
3 Sept 2026, 12:0070,671+1
3 Sept 2026, 11:5770,670+3
3 Sept 2026, 11:4070,667+2
3 Sept 2026, 11:3170,665first reading

Ownership

Owned by @DelfinoDelphis as measured.

Claimed by user #3591822464 — observed between sweeps, detected 10 Aug 2026, 13:00 UTC

Detection dates bound when a change was seen by this register, not when it happened.

Experiences

96
players in this group’s experiences right now
7,125,961
lifetime visits across 3 experiences

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

Members we’ve seen

@DelfinoDelphisDelfino (rank 255)

@LOUIEisKittedCommunity Director (rank 15)

Tooken (@TookenDev)Board of Directors (rank 14)

Vaneer (@ProjectVaneerix)Board of Directors (rank 14)

gor (@gor0470)Project Lead (rank 12)

DieselFox (@DieselElectricMotive)Development Department (rank 11)

Nate (@ReaperNxte)Development Department (rank 11)

Ervy (@3rvyy)Development Department (rank 11)

Desired (@DesiredToResign)Development Department (rank 11)

Maverick (@PGC_Maverick)Administration Department (rank 10)

@Fermium_GamingAdministration Department (rank 10)

6A31 (@Scobra_Scope)Administration Department (rank 10)

@HakadedeInstruction Department (rank 8)

Karva (@ROBLOXdudekman)Instruction Department (rank 8)

@reninvictaAppreciated Member (rank 4)

Bagel (@AccelRanger)Appreciated Member (rank 4)

MarcTheDev (@MarciiTheDev)Appreciated Member (rank 4)

Kriss (@Cristagolem)Appreciated Member (rank 4)

William (@harmlessunspeakable)Appreciated Member (rank 4)

@mamytemaAppreciated Member (rank 4)

RBerry435 (@RPerry435)Appreciated Member (rank 4)

Kineo (@Kineograph)Appreciated Member (rank 4)

Momma_Dark (@xXDarkMemoriesXx)Appreciated Member (rank 4)

Royall (@RoyallKiller)Appreciated Member (rank 4)

nowes (@nowes_dev)Appreciated Member (rank 4)

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

Rank structure

Delfino1
Community Director1
Board of Directors5
Project Lead3
Development Department18
Administration Department21
Instruction Department15
Appreciated Member61
RBWR Supporters3,159
Member64,589
Community Member61,769
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.