@kostanti21 #1013514663

23 March 2019

account created (per Roblox API)

29 Sept 2026, 22:04

last measured (UTC)

Username record

@kostanti21 — observed 29 September 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)

Gamers Studios_#12194848

Open data

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

Also a member of

Nosniy Games#3461453 · Fan

Wiggity.#12836673 · Member

Scriptbloxian Studios#4705120 · Legend

BIG Games Pets#3959677 · Fan

Current.#34852864 · Member

Sol's Studio#8509669 · [Gamers]

BIG Games™#2703304 · Fan

Rumble Studios#3333298 · Fan

AoTR [PI]#17347863 · Member

Car Crushers Community#2726951 · Skilled Crusher

Powerful Studio#5522949 · 💙┃Fan

KizmoTek Studio#3115970 · Community Member

The Gang Stockholm#5273516 · Player

Slap Battles#9950771 · BELOVED FAN <3

[B:S] Azure Latch Team#35316274 · Member

Shadowrise Devs#1002185259 · Member

Kitawari#17219742 · Member

Small World Games x Anime Defenders#34121350 · Member

Play! Studios#7165738 · Supporter 😇

Thinking Project#1235888 · noob

Frost Blade Games#8605341 · Member

[B:S] ALS Team#12229756 · Member

RELL GAMES#4939446 · Bronze Rell

Awesome Ninja Games#15557357 · Member

KreekCraft Community#3072234 · Member

Cool group for big cool people#9285211 · Pro

Lionly Studios#8296978 · ⭐ Supporter

TBlox Studios#6039961 · Player

Vanity Studio#4063400 · Fans

The Forge Community#35489258 · ⚒️Forger

Ignite Games#5878314 · Player

Oh My Crazy Games#7056632 · Fan

Do Big's Clicker Sim#4546767 · Member

Ghostworks#8204913 · Fan

Jump Corp#34223768 · Player

Scriptly Studios™#4345585 · ✨ Fan

Schwifty Studios#3642592 · Fans

markers epic memers#5218018 · Member

Stateview Correctional Facility. ∞#5025380 · Low Security Inmate

Tower Defense X#14733518 · fan :d

United States Military 1960s ᅠ ᅠ#3454445 · E1

Simple Simulators#4633339 · Fan

Liftoff Games!#12247512 · Fan

Magic Box Games#15211300 · Member

Flisk Studios#16201023 · Awesome people

Insight Game#6944093 · Member

Wild Explorers#14440857 · Member

RNG Lab#34903714 · Member

Shedwaa's Incrementals#35558998 · Member

Minimized#12949340 · Member

Quarantine Roleplay Community#6448240 · Community Member

YewBow Arts#14279387 · Player

Starlight Softworks#5233163 · Fan

smallfry#5092428 · Player

Minerblocks Studios#6520255 · Group Member 🔨

Superb Melon#4589677 · Member

ProCreations ·#4760134 · Member

Dragon Soul (DS)#11908960 · Fighter

Penguin Tycoon by Voldex#12843903 · Member

Sorcerer Tycoon#553189881 · Member

Trade.#650266 · Trader

RELL Seas#11020595 · Member

Solstice Developers#33533450 · ➵ Members

Peak Productions.#8368080 · 🗻| Member

Power Simulator 2#5175275 · Member

Universal Productions!#7654094 · Member

TheGreatDevelopers#4144750 · Member

Out of Donuts#15476941 · Member

SCP: Site Roleplay Community#2935212 · Group Member

Anime Rampage Game#33862422 · Member

Nuget.Studios#33384824 · 😎Member

Rattlebone Studio#16595799 · Member

Roblox Developer Community#10720185 · Developer

Topple Games#7086204 · Member

Reunited Games#5714667 · Fan

Crypt Studios.#15513468 · Crypt

Xtreme Xperiences#7724924 · Member

Anime Ascendants#15762744 · Member

SamirDevs Studios#5011682 · Member

Unpopular Studio#7354918 · Hunters

Mining Simulator Elites#3920070 · Player

Paragon Command#8571681 · Fan

JustFun Games#12852302 · Member

Undone Studios™#2841051 · [👥] Community [👥]

Anime Guardians Defense#34286692 · Member

Anime Switch#14915136 · Player

VoxlGames#13117183 · Fan

SAGamer#4127992 · Fans

Rainbow Moon Studios#6033955 · Fan Moons

TiClock Games#5804292 · Member

Nixe Studios#32381513 · Member

Chaos Organization#330457 · Supporter

Simulator Interactive#5233962 · Player

Bracting#32800769 · Member

The Rambling Nation#3249613 · Member

YGO: Reborn!#34024160 · Member

Innovation Inc. Transport Branch#6624175 · [LR] Staff

SDM Studio's#1071096739 · Member

Kaijuro#13198967 · Member

SGames#10434387 · Member

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