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

Stack It Up #926779589

839,329
members (measured 4 Sept 2026, 16:04 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

813,890839,329826,609.510 August 20264 September 2026
190 measurements spanning 25 days, net +25,439. 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 810,074–843,145 and does not start at zero.
Measurement log — every members count we have recorded, most recent 20 of 190
Measured (UTC)MembersChange
4 Sept 2026, 16:04839,329+262
4 Sept 2026, 10:12839,067+6
4 Sept 2026, 09:54839,061+138
4 Sept 2026, 04:57838,923+104
4 Sept 2026, 02:21838,819+33
4 Sept 2026, 01:18838,786+40
3 Sept 2026, 23:12838,746+332
3 Sept 2026, 12:59838,414+20
3 Sept 2026, 12:25838,394+5
3 Sept 2026, 12:03838,389+156
3 Sept 2026, 06:25838,233+25
3 Sept 2026, 05:31838,208+45
3 Sept 2026, 03:57838,163+54
3 Sept 2026, 02:00838,109+28
3 Sept 2026, 01:04838,081+44
2 Sept 2026, 23:43838,037+87
2 Sept 2026, 20:18837,950+74
2 Sept 2026, 18:19837,876+116
2 Sept 2026, 15:14837,760+78
2 Sept 2026, 13:34837,682first reading

Ownership

Owned by @WhoIsCaptainGrumpy as measured.

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

@WhoIsCaptainGrumpyOwner (rank 255)

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

Zak (@godblesszak)Member (rank 1)

@hash_groupMember (rank 1)

Chance (@RealChancesaken)Member (rank 1)

fluz (@fl88z)Member (rank 1)

Olivera (@4xwstt)Member (rank 1)

invert (@invert8999)Member (rank 1)

@ST_PenclMember (rank 1)

@KullaskeMember (rank 1)

@CatalystSupremeMember (rank 1)

@AzielGamesHolderMember (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)

@JustVuseMember (rank 1)

@OmrimekMember (rank 1)

@ObbyJustin123Member (rank 1)

vorg (@vorglols)Member (rank 1)

Napalm (@NNNapalm)Member (rank 1)

Legend (@1egendarydev)Member (rank 1)

@whkMember (rank 1)

LeNoob (@LeNoob_ie)Member (rank 1)

@ONE_HIECEMember (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.