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Mackenn @maciekplacek12 #453826230

3 December 2017
account created (per Roblox API)
28 Oct 2026, 08:05
last measured (UTC)

Username record

@maciekplacek12 — observed 28 October 2026

Roblox’s API lists prior usernames without dates; the dates above are when this register observed each name, which bounds — but is not — the change date.

Groups owned (as measured)

Open data

Download this user’s observed record: username history (CSV) · record (JSON)

Also a member of

SecretVerse Studio#1074557114 · Membre
143,109,934
Nosniy Games#3461453 · Fan
59,070,166
Scriptbloxian Studios#4705120 · Legend
30,022,851
BIG Games Pets#3959677 · Fan
29,165,716
Quataun#12121240 · Member
18,435,504
Roblox#7 · Member
13,540,182
braxworks#5268948 · Supporter
13,457,118
BIG Games™#2703304 · Fan
11,255,081
Rumble Studios#3333298 · Fan
11,225,249
Grow a Chicken Fighter#180466034 · Member
8,115,287
Powerful Studio#5522949 · 💙┃Fan
8,063,987
The Gang Stockholm#5273516 · Player
7,131,111
Foxzie#3955051 · 👤 Member
7,032,326
Double Bandit Studios#13751258 · Bandits
6,256,561
Tycoon Empire Studios#11221055 · Fan
5,246,242
Entelechy Entertainment#2779287 · 🧡 Supporter
4,680,075
Play! Studios#7165738 · Supporter 😇
4,302,442
Tetra Games#4843918 · Fan
4,195,778
Polnareff Gaga Gang#975281250 · Member
3,802,058
Public WIFI#521725818 · Member
3,635,935
Definitely Not Brainrot Games#35972946 · Member
3,633,829
Gamefam x Sonic#13632331 · Member
3,566,687
Pink Slime Studios#5357344 · Slimer
3,512,482
Ready, set, more!#7371243 · Fan
3,468,131
thunder1222 Productions#553699 · Member
3,390,326
HD Games.#5028964 · Fan
3,166,828
Shark Fin Studios LLC#3751488 · Sharkie
2,995,031
BIG Games Super Fun#10026748 · Fan
2,899,003
BIG Games Experimental#4981455 · Fan
2,723,789
GamesReborn#3991320 · Fan
2,661,162
IWTM10GTMPLS#617312490 · Member
2,384,670
MetaPlay Games#8892797 · Players
2,276,824
RoDark Studios#5545660 · Member
2,134,181
Oh My Crazy Games#7056632 · Fan
1,985,032
LightGaming!#6887275 · Member
1,970,365
Cloud Entertainment#1038305 · 🎮 Gamer
1,901,282
Moonlight Productions.#7311036 · Member
1,860,351
Super Magnet Studios#5054561 · Supporter
1,794,159
Bright Games Studios#13081182 · 💞 Rank I
1,786,239
Banjo Lady Games#830072163 · Member
1,618,228
GTPR Fun#186607402 · Member
1,521,160
Power Simulator X#372019462 · Member
1,511,463
CC Games#2795651 · ✨Fan✨
1,477,906
Generation X Studios#7224788 · Awesome Member
1,468,121
Crew Simulators#34208109 · Member
1,409,292
Hawkie Studios#9821921 · Member
1,402,266
Goofin#34034001 · Member
1,401,727
Digging Games#9050583 · Member
1,396,280
The Bruzz Group#36029920 · bruzz
1,253,091
Toptier Production#17363744 · Member
1,186,462
Royal Prime#7900165 · Member
1,169,861
RoyalFire Simulators#9793279 · Member
1,138,786
Zood Studios#5606884 · ✨ Gamer
1,105,067
Simulator Studios! ™#4256796 · Member
1,020,403
Imded Studios#1123655 · Ballers
1,007,287
Haza Games#5217684 · Friend
977,609
PlayCrate!#13004189 · Fan
966,019
Impulsive Studios#5243967 · 💥 Supporters
947,522
Interbyte Studio#5126818 · Fans
939,433
Brain Games Inc.#11486311 · [G] Gamer
779,564
ECG Studio#7227187 · Member
774,486
RE:Heads, Please#390180214 · Member
765,839
Insight Game#6944093 · Member
750,678
Shedwaa's Incrementals#35558998 · Member
748,359
Tycoon Empire!#5270391 · Member
723,385
Treat Games#14444762 · Member
681,702
Crafty Savage!#6116651 · ❤️・Member
673,742
Shampoo Games#5510485 · Member
672,030
DantesDivine#4928618 · 💖 Special Member
654,719
Games But Blue#13994786 · Members
621,792
Paradox#145163 · Members
612,086
Modly Team#6239420 · Member
573,471
TGames#6851875 · Member
525,166
smallfry#5092428 · Player
511,262
Debuilt OG#5442019 · Members
443,927
Train ur Army!#1003047045 · Troops
419,272
Low Effort Studios#8159009 · Person
399,651
motivation games !#35783204 · Member
392,665
Codrop Studio#15553867 · 🎮・Player
318,556
Tank Legends Team#14606583 · Member
317,200
FE Studios#5112430 · Group Members
313,985
GameBuzz#5301867 · Member
312,188
Exwora#9127766 · 🎮 Player
306,418
Bonanza Max Win#345048010 · Member
295,842
Covet Games#5743231 · cool
278,768
Jam Studio Games#33205226 · Member
277,018
lilBIG Studio#7769478 · Member
275,419
Power Simulator 2#5175275 · Member
274,291
OBMG Studio#8151900 · Member
259,144
Micro Hotpot Studio#14915349 · 成员
245,424
🤔 Thinking Studios™#4262143 · 🤔 | Thinkers
239,273
Parallex Games#11716909 · Member
237,991
The Gang Sheep's#7512225 · Member
236,525
Crix Games#207704244 · Member
220,707
Logical StudiosTM#55632395 · 😃 Member
216,807
Grand Robine Army#6047403 · Militia
208,135
Building Epic Tycoons#7124191 · Epic Member
207,335
Moonlight Interactive#4522858 · Member
203,257
Fizzy Studios.#8491574 · Member Soda🍒🍇🍉
179,180
YOUTUBE SIMULATOR PLAYERS#11215299 · Member
175,196

Membership and rank as measured from this user’s public group list.