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Mastery Design Course

Mastery Design Course #8699705

12,162
members (measured 21 Aug 2026, 23:03 UTC)
22 December 2020
created (per Roblox API)
10 August 2026
first measured by this register

Mastery Design Course is a Roblox group community created on December 22, 2020. The group has 12,161 members. It is not verified and is not ownerless. The category is null.

Membership history

Growth

12,16012,16512,162.510 August 2026 — 12,165 members10 August 2026 — 12,164 members11 August 2026 — 12,165 members14 August 2026 — 12,164 members15 August 2026 — 12,163 members15 August 2026 — 12,162 members15 August 2026 — 12,161 members17 August 2026 — 12,160 members17 August 2026 — 12,161 members20 August 2026 — 12,162 members21 August 2026 — 12,163 members21 August 2026 — 12,162 members12,16210 August 202621 August 2026
12 measurements spanning 11 days, net -3. 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 12,159–12,166 and does not start at zero.
Measurement log — every members count we have recorded
Measured (UTC)MembersChange
21 Aug 2026, 12:1112,162-1
21 Aug 2026, 00:1112,163+1
20 Aug 2026, 08:2312,162+1
17 Aug 2026, 19:5012,161+1
17 Aug 2026, 09:1112,160-1
15 Aug 2026, 19:4212,161-1
15 Aug 2026, 17:2412,162-1
15 Aug 2026, 12:1112,163-1
14 Aug 2026, 17:4712,164-1
11 Aug 2026, 05:1112,165+1
10 Aug 2026, 17:4212,164-1
10 Aug 2026, 12:1412,165first reading

Ownership

Owned by @saintqvs as measured.

Claimed by user #1271802148 — observed between sweeps, detected 10 Aug 2026, 14:46 UTC

Detection dates bound when a change was seen by this register, not when it happened.

Experiences

0
players in this group’s experiences right now
6,523
lifetime visits across 2 experiences

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

Members we’ve seen

@saintqvsFounder (rank 255)

Dim (@DimBloxington)VIP (rank 99)

Pickl3ss (@pickl3s_s)Customers (rank 2)

@SK30uCustomers (rank 2)

@SwungSwagerCustomers (rank 2)

CouR4G3 (@xXCouR4G3xX)Customers (rank 2)

Prince (@Vermonium)Customers (rank 2)

@kfeketeCustomers (rank 2)

RP_King (@RPKingOfficial)Customers (rank 2)

HoldThisWood (@gggamersniper22)Customers (rank 2)

TasiLuaToluAlu_Legit (@TheLegitPenitentiary)Customers (rank 2) terminated

ryan (@deleted_ag4in)Customers (rank 2)

nitya (@maybeNitya)Customers (rank 2)

NIGHT (@blaze_xyc)Customers (rank 2)

Santino (@37k_Santino)Customers (rank 2)

@RevvnexCustomers (rank 2)

dari (@darixonn)Customers (rank 2)

ThePurpleGod (@hughjrse)Customers (rank 2)

SUB24LC_Romxy (@Itsme17R0mx)Customers (rank 2)

Loussiya (@louya_sunshine)Customers (rank 2)

iDrxp (@XDslayervXD)Customers (rank 2)

zzz (@goofydefault)Customers (rank 2)

khazar (@justkhazar)Customers (rank 2)

Soulhelper (@inventedGla)Customers (rank 2)

Memento Mori (@Olicrosse)Customers (rank 2)

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

Rank structure

Founder1
Management2
Customer Support0
Designer0
VIP3
Valued Customer1
Customers12,164
Member12,165
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.