Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
MHD Simulator

MHD Simulator #9306393

1,026
members (measured 16 Oct 2026, 20:41 UTC)
24 January 2021
created (per Roblox API)
10 August 2026
first measured by this register

Membership history

Growth

1,0231,0261,024.510 August 2026 — 1,025 members28 August 2026 — 1,026 members6 September 2026 — 1,025 members20 September 2026 — 1,024 members20 September 2026 — 1,023 members26 September 2026 — 1,024 members9 October 2026 — 1,025 members15 October 2026 — 1,026 members10 August 202615 October 2026
8 measurements spanning 66 days, net +1. 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 1,023–1,026 and does not start at zero.
Measurement log — every members count we have recorded
Measured (UTC)MembersChange
15 Oct 2026, 14:101,026+1
9 Oct 2026, 18:511,025+1
26 Sept 2026, 20:281,024+1
20 Sept 2026, 12:311,023-1
20 Sept 2026, 08:401,024-1
6 Sept 2026, 08:101,025-1
28 Aug 2026, 18:501,026+1
10 Aug 2026, 12:111,025first reading

Ownership

Owned by @nejsemfilip as measured.

Claimed by user #583808504 — observed between sweeps, detected 10 Aug 2026, 14:55 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

0
players in this group’s experiences right now
43,134
lifetime visits across 5 experiences

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

Members we’ve seen

@nejsemfilip — Owner (rank 255)

mari12 (@leoexpres) — Co-owner (rank 254)

Matzysek (@11matej112) — Developer (rank 200)

Metro (@metro373) — Developer (rank 200)

@HALK_TV06 — High Rank (rank 199)

@D_499 — Dispatcher (rank 170)

Honza (@Honzik1515) — Dispatcher (rank 170)

@ttila — Dispatcher (rank 170)

Tonyk (@TonykP015) — Train Driver (rank 160)

H4fan (@matejczczczczczczcz) — Train Driver (rank 160)

@fkdoch — Train Driver (rank 160)

@sotous_zMorav — Train Driver (rank 160)

Prazacek (@MHD_Prazacek) — Train Driver (rank 160)

MarkWebber (@CzernyFoxy) — Train Driver (rank 160)

@gamingcz9876 — Člen (rank 100)

Lukas (@uuaa2009) — Člen (rank 100)

Kubis (@Dev_Kubis) — Člen (rank 100)

ERBAB (@ERIKBABIC) — Člen (rank 100)

Magi (@Magican_CZ) — Člen (rank 100)

le_coconut (@coconut_nutela1) — Člen (rank 100)

sotousbrna (@martinCOCLAmartin) — Člen (rank 100)

Vojta_20191CZ (@Vojta_20191) — Člen (rank 100)

vitisek (@Marwex2007) — Člen (rank 100)

TrumPetka (@piskotczezd) — Člen (rank 100)

JackStumme (@MatyasekRealLifeYT) — Člen (rank 100) terminated

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

Rank structure

Owner1
Co-owner2
Dev20
Developer5
High Rank4
Dispatcher4
Train Driver15
Člen994
Member1,025
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.