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

Stack It Up #926779589

886,726
members (measured 29 Oct 2026, 09:44 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

813,890886,726850,30810 August 202629 October 2026
1045 measurements spanning 80 days, net +72,836. 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 802,965–897,651 and does not start at zero.
Measurement log — every members count we have recorded, most recent 20 of 1045
Measured (UTC)MembersChange
29 Oct 2026, 09:44886,726+14
29 Oct 2026, 08:49886,712+5
29 Oct 2026, 08:44886,707+21
29 Oct 2026, 06:59886,686+1
29 Oct 2026, 06:54886,685+16
29 Oct 2026, 05:37886,669+1
29 Oct 2026, 05:28886,668+5
29 Oct 2026, 05:21886,663+9
29 Oct 2026, 04:41886,654+29
29 Oct 2026, 03:18886,625+1
29 Oct 2026, 03:15886,624+33
29 Oct 2026, 01:46886,591+33
29 Oct 2026, 00:33886,558+3
29 Oct 2026, 00:24886,555+52
28 Oct 2026, 23:23886,503+40
28 Oct 2026, 22:20886,463+35
28 Oct 2026, 21:11886,428+10
28 Oct 2026, 20:56886,418+21
28 Oct 2026, 20:28886,397+15
28 Oct 2026, 19:55886,382first 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.