Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
Cosmo Play

Cosmo Play #34558589

10
members (measured 22 Sept 2026, 17:35 UTC)
3 July 2024
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 We do not publish numbers we have not measured.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)MembersChange
16 Aug 2026, 17:3410first reading

Ownership

Owned by Atlas (@Niko_ALT91) 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
228
lifetime visits across 2 experiences

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

Members we’ve seen

Atlas (@Niko_ALT91) — Founder Of Iron Horizon (rank 255)

Atlas (@Jax_Alt56) — Member Of Iron Horizon (rank 1)

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

Rank structure

Founder Of Iron Horizon1
Executive Holder Of Iron Horizon1
Lead Executive Of Iron Horizon0
Scripting Team Of Iron Horizon0
Support Team Of Iron Horizon0
Trial Developer Of Iron Horizon0
Developer Of Iron Horizon0
Trial Support Team Of Iron Horizon0
Head Admin Of Iron Horizon0
Admin Of Iron Horizon0
Head Admin Trial Of Iron Horizon0
Admin Trial Of Iron Horizon0
Mod Of Iron Horizon0
Member10
Member Of Iron Horizon8
Trial Mod Of Iron Horizon0
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.