Mastery Design Course #8699705
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
| Measured (UTC) | Members | Change |
|---|---|---|
| 5 Oct 2026, 17:57 | 12,152 | -1 |
| 1 Oct 2026, 15:40 | 12,153 | -1 |
| 27 Sept 2026, 22:00 | 12,154 | -1 |
| 27 Sept 2026, 10:20 | 12,155 | -1 |
| 27 Sept 2026, 01:35 | 12,156 | -1 |
| 25 Sept 2026, 18:31 | 12,157 | +1 |
| 19 Sept 2026, 19:11 | 12,156 | -1 |
| 16 Sept 2026, 16:50 | 12,157 | +1 |
| 14 Sept 2026, 11:21 | 12,156 | -2 |
| 13 Sept 2026, 08:40 | 12,158 | -1 |
| 13 Sept 2026, 04:50 | 12,159 | -1 |
| 12 Sept 2026, 07:50 | 12,160 | -1 |
| 7 Sept 2026, 08:18 | 12,161 | -1 |
| 3 Sept 2026, 03:00 | 12,162 | -1 |
| 31 Aug 2026, 23:36 | 12,163 | -1 |
| 30 Aug 2026, 11:11 | 12,164 | -1 |
| 28 Aug 2026, 11:27 | 12,165 | +1 |
| 27 Aug 2026, 18:21 | 12,164 | +1 |
| 26 Aug 2026, 11:51 | 12,163 | -1 |
| 25 Aug 2026, 05:34 | 12,164 | first 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.
Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.
Experiences
Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.
Members we’ve seen
@saintqvs — Founder (rank 255)
Pizzamuddd (@pizzamuddd) — Management (rank 253)
Dim (@DimBloxington) — VIP (rank 99)
Headless (@HeadlessHumanoid) — VIP (rank 99)
Memento Mori (@Olicrosse) — Customers (rank 2)
Pickl3ss (@pickl3s_s) — Customers (rank 2)
ThePurpleGod (@hughjrse) — Customers (rank 2)
@SK30u — Customers (rank 2)
@SwungSwager — Customers (rank 2)
CouR4G3 (@xXCouR4G3xX) — Customers (rank 2)
@Revvnex — Customers (rank 2)
Prince (@Vermonium) — Customers (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)
@kfekete — Customers (rank 2)
dari (@darixonn) — 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)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
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.