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Mastered Development

Mastered Development #3169415

3
members (measured 17 Oct 2026, 23:04 UTC)
26 March 2017
created (per Roblox API)
10 August 2026
first measured by this register

School & educationENrobux giveawayengagement baitspam

Description

Rain now squad ###### ## ## ####### and join group for #### ##### and pls leave your user down in comments for ROBUX tell how much you want

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 We do not publish numbers we have not measured.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
26 Aug 2026, 20:263first reading

Ownership

Owned by @Amelaloves_UNICORNS 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

@Amelaloves_UNICORNS — [SIC] Second In Command (rank 255)

Sunny (@UnicornPop612) — [F] Fan (rank 1)

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

Rank structure

[SIC] Second In Command0
[CEO] Cheif Executive Officer0
[FOAT] First Official Alpha Tester0
[DH] Developer Hirers0
[HP] Head Planner0
[GM] Game Manager0
[HC] Head Coder0
[HS] Head Scripter0
[HD] Head Developer0
[ES] Elite Squad0
[DEV] Developers0
[C] Coder0
[P] Planner0
[SCR] Scripter0
[RM] Rank Manager0
[OB] On Break/Retired0
[I] Investor (LOCKED)0
[E] Exile/Banned0
Member3
[F] Fan2
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.