Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
efficacy,

efficacy, #9959928

3
members (measured 18 Oct 2026, 14:13 UTC)
13 March 2021
created (per Roblox API)
10 August 2026
first measured by this register

Game studiosENinventory rankingitem collectioncommunity engagement

Description

ef·fi·ca·cy (n.) :the power to produce an effect ↷ ︻デ═一 ▸♡ ˊˎ ︵︵︵︵︵︵︵︵︵︵ . ༺♡༻ +5 items . ☆☆☆ +10 items . ꒱⁀➷ +15 items .╭๑‧˚ʚ* +20 items ︵︵︵︵︵︵︵︵︵︵ ୨୧ inventory open to be ranked ୨୧ spamming and advertising will be deleted ᴇꜱᴛ. 3/12/21

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 We do not publish numbers we have not measured.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
16 Aug 2026, 07:113first reading

Ownership

Owned by vix (@VIXAYLE) 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

vix (@VIXAYLE) — vix♡ (rank 255)

ketchup (@devilsszzz) — designers/mods ♡ (rank 1)

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

Rank structure

vix♡1
alt♡1
Member3
♕0
༺♡༻0
☆☆☆0
꒱⁀➷0
╭๑‧˚ʚ*0
designers/mods ♡1
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.