Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
Concrete Foundation Studios

Concrete Foundation Studios #11767643

72
members (measured 7 Oct 2026, 16:03 UTC)
5 August 2021
created (per Roblox API)
10 August 2026
first measured by this register

Game studiosENgame developmentstudiogaming community

Description

Group for Game/Games

Written by the group; not a statement 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 We do not publish numbers we have not measured.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
10 Aug 2026, 21:1172first reading

Ownership

Owned by @crispyflame0alt as measured.

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

Members we’ve seen

@crispyflame0alt — Owner (rank 255)

Rztrsef (@RhythmD311) — Administrator (rank 254)

Goose (@Robloxian12356478) — Developer (rank 253)

Trains (@prototrains) — Testers (rank 252)

@Super_1509 — Testers (rank 252)

@GreatGreenGut — Testers (rank 252)

hinton (@Frogdog913) — Testers (rank 252)

CommunismLenin (@ejh3667) — Fan (rank 1) terminated

ClearlyConfused (@25jmiller1) — Fan (rank 1)

@roblox_user_220180744 — Fan (rank 1)

snake (@snake2808alt) — Fan (rank 1)

Fate (@Prized_Prodigy) — Fan (rank 1)

shinny (@noobmusteat) — Fan (rank 1)

Cole (@Zombiecole31111) — Fan (rank 1)

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

Rank structure

Owner1
Administrator1
Developer1
Testers14
Member72
Fan55
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.