Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
Hacker99 Development Group

Hacker99 Development Group #5233789

1,372
members (measured 31 Aug 2026, 21:58 UTC)
21 October 2019
created (per Roblox API)
10 August 2026
first measured by this register

Membership history

Growth

1,3701,3721,37110 August 2026 — 1,372 members22 August 2026 — 1,371 members22 August 2026 — 1,370 members25 August 2026 — 1,372 members10 August 202625 August 2026
4 measurements spanning 14 days. 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 1,370–1,372 and does not start at zero.
Measurement log — every members count we have recorded
Measured (UTC)MembersChange
25 Aug 2026, 04:331,372+2
22 Aug 2026, 22:271,370-1
22 Aug 2026, 19:581,371-1
10 Aug 2026, 19:541,372first reading

Ownership

Owned by @capthehacker99 as measured.

Experiences

0
players in this group’s experiences right now
11,655
lifetime visits across 2 experiences

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

Members we’ve seen

@capthehacker99Group Holder (rank 255)

Sloth (@WuSloth_zz)Member (rank 1)

zozo (@fraudinvegas)Member (rank 1) terminated

Cassius_Thunderblock (@LavaMasterGaming709)Member (rank 1)

Not_Mope (@mopesan0909)Member (rank 1)

Spaaaaaaaain (@tycooupyBlox)Member (rank 1)

@JasonJansonMember (rank 1)

Ines (@Thhhjikyy)Member (rank 1)

@WaswasGirlMember (rank 1)

TLS123 (@CrownV3)Member (rank 1) terminated

god_mami (@overkillmami)Member (rank 1)

qais (@qaioosi)Member (rank 1)

john (@urmommyha)Member (rank 1)

khalil (@khalil1219)Member (rank 1)

Gearzey (@lordords)Member (rank 1)

egg (@eddog111)Member (rank 1)

@Jaklic_GamesALTMember (rank 1) terminated

guap (@vDani1st)Member (rank 1)

ASAP (@feras_yasrih)Member (rank 1)

WhyDidYouDoThat (@Giosbot1)Member (rank 1)

SolidSummer (@hiiraginotesita)Member (rank 1)

AZM_Incisure (@xXD_N1nja)Member (rank 1)

Zeke (@ezmasterroblox)Member (rank 1)

Royal (@Patota92)Member (rank 1)

JaQuavis (@gagablueface)Member (rank 1)

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

Rank structure

Group Holder1
Contributer0
Developer2
Member1,372
Member1,370
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.