Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
Stack It Up

Stack It Up #926779589

886,004
members (measured 28 Oct 2026, 05:01 UTC)
2 May 2026
created (per Roblox API)
10 August 2026
first measured by this register

Stack It Up is a Roblox group community created on May 2, 2026. It has 820,245 members and holds a verified badge. The group is not ownerless. Its category is not specified in the data.

Membership history

Growth

813,890886,004849,94710 August 202628 October 2026
1008 measurements spanning 79 days, net +72,114. 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 803,073–896,821 and does not start at zero.
Measurement log — every members count we have recorded, most recent 20 of 1008
Measured (UTC)MembersChange
28 Oct 2026, 05:01886,004+4
28 Oct 2026, 04:40886,000+4
28 Oct 2026, 04:28885,996+27
28 Oct 2026, 03:20885,969+10
28 Oct 2026, 02:57885,959+8
28 Oct 2026, 02:17885,951+30
28 Oct 2026, 00:56885,921+6
28 Oct 2026, 00:49885,915+10
28 Oct 2026, 00:26885,905+47
27 Oct 2026, 23:28885,858+6
27 Oct 2026, 23:19885,852+8
27 Oct 2026, 22:58885,844+4
27 Oct 2026, 22:54885,840+6
27 Oct 2026, 22:39885,834+16
27 Oct 2026, 21:54885,818+5
27 Oct 2026, 21:40885,813+25
27 Oct 2026, 20:56885,788+37
27 Oct 2026, 20:05885,751+11
27 Oct 2026, 19:50885,740+22
27 Oct 2026, 19:25885,718first reading

Ownership

Owned by @WhoIsCaptainGrumpy as measured.

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

Experiences

85
players in this group’s experiences right now
45,562,673
lifetime visits across 1 experiences

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

Members we’ve seen

@WhoIsCaptainGrumpy — Owner (rank 255)

zigbroz (@Ssiddz) — Co-Owner (rank 254)

Mikkel (@MikkelDevs) — Member (rank 1)

@CharlesJustCat — Member (rank 1)

Zak (@godblesszak) — Member (rank 1)

@hash_group — Member (rank 1)

Chance (@RealChancesaken) — Member (rank 1)

fluz (@fl88z) — Member (rank 1)

Olivera (@4xwstt) — Member (rank 1)

invert (@invert8999) — Member (rank 1)

@ST_Pencl — Member (rank 1)

@Kullaske — Member (rank 1)

@CatalystSupreme — Member (rank 1)

@AzielGamesHolder — Member (rank 1)

kenz (@k2_nz) — Member (rank 1)

kyy (@noriceenolife) — Member (rank 1)

Russ (@Russs_8989) — Member (rank 1)

kev (@do_kev) — Member (rank 1)

@JustVuse — Member (rank 1)

@Omrimek — Member (rank 1)

@ObbyJustin123 — Member (rank 1)

vorg (@vorglols) — Member (rank 1)

Napalm (@NNNapalm) — Member (rank 1)

Legend (@1egendarydev) — Member (rank 1)

@whk — Member (rank 1)

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

Rank structure

Owner1
Co-Owner1
Member815,336
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.