Project Hiro #12904846

members (measured 18 Aug 2026, 02:12 UTC)

14 November 2021

created (per Roblox API)

10 August 2026

first measured by this register

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
18 Aug 2026, 02:12	7	first reading

Ownership

Owned by user #1583742109 as measured.

Members we’ve seen

MarcoTheMan (@FrankSabertooth21) — Member (rank 1)

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

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

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The Flamingo Fan Club#3336691 · 1 shared members

9,876,738

Car Crushers Community#2726951 · 1 shared members

8,606,688

Powerful Studio#5522949 · 1 shared members

7,995,308

48h Games#14461694 · 1 shared members

7,668,909

Driving Empire by Voldex#4999963 · 1 shared members

4,938,747

QuadraTech#4645213 · 1 shared members

3,839,903

Frost Blade Games#8605341 · 1 shared members

3,764,579

Midnight In-dev#16528477 · 1 shared members

3,264,055

HD Games.#5028964 · 1 shared members

3,168,693

Krabby Krew#34990762 · 1 shared members

2,985,126

Dungeon Quest by Voldex#4788489 · 1 shared members

2,822,222

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.