# OSGL
Infos and technical information about many open source games and frameworks.
Author: Trilarion

# Open source game developers (J)

## J Fixby

Developed game: libGDX
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## J Williams

Developed game: FlightGear
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## j-jorge

Developed games: COCOS2D-X, Plee the Bear
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## J-M Le Peuvedic

Developed game: GL-117
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## J-P Nurmi

Developed game: Qt
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## j-p-e-g

Developed game: NLarn
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## j-palomo

Developed games: GZDoom, ZDoom
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## J-VdS

Developed game: Mindustry
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## J. Ali Harlow

Developed game: SLASH'EM
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## J. Applegate

Developed game: Nuvie
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## J. Edward Sanchez

Developed game: OGRE
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## J. Hunter Johnson

Developed game: PCGen
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## J. Nathan Matias

Developed game: PLIB
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## J. S.

Developed game: Vega Strike
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## J. W. Bjerk

Developed game: The Battle for Wesnoth
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## J.C

Developed game: Phaser
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## J.M. de Jong

Developed game: Unknown Horizons
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## J.W

Developed game: Iter Vehemens ad Necem
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## Ja-MiT

Developed game: The Battle for Wesnoth
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## Jaakko Keränen

Developed game: Doomsday Engine
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## Jaakko Niemi

Developed game: Crossfire
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## Jaakko Perttilä

Developed game: Performous
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## Jaakko Tapani Peltonen

Developed game: Falcon's Eye
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## Jaanus Varus

Developed game: Penumbra
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## Jacek Nakonieczny

Developed game: Cataclysm: Dark Days Ahead
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## Jack

Developed game: Vega Strike
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## jack

Developed game: Godot
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## Jack Andersen

Developed game: Metaforce
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## Jack Bohlen

Developed game: Phantasy Star Rebirth
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## Jack Boswell

Developed game: osu!
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## Jack Coulter

Developed game: Openfrag
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## Jack Cummings

Developed game: WorldForge
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## Jack Dolabany

Developed game: MonoGame
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## Jack Greiner

Developed game: Naev
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## Jack Lee

Developed game: osu!
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## Jack Morgan

Developed game: MegaMek
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## Jack Rainy

Developed game: UnCiv
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## Jack Scotson

Developed game: osu!
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## Jack Slater

Developed games: ioquake3, OpenArena, Tremulous
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## jack-the-BOSS

Developed game: XMage
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## Jacker

Developed game: ET: Legacy
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## Jackerty

Developed games: OpenMW, TES3MP
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## JackLee9355

Developed game: osu!
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## jackpotttt

Developed game: unitystation
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## Jackson Davis

Developed game: OpenRCT2
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## jacksonmj

Developed game: The Powder Toy
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## Jacky Liang

Developed game: RuneLite
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## Jaco

Developed games: CorsixTH, OpenXcom
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## Jacob

Developed game: osu!
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## Jacob Anderson

Developed game: MonoGame
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## jacob berkman

Developed game: Aisleriot
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## Jacob Burroughs

Developed game: SuperTux
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## Jacob Deuchar

Developed game: Open Apocalypse
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## Jacob Dufault

Developed game: OpenRA
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## Jacob Essex

Developed games: OpenMW, TES3MP
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## Jacob Ferrero

Developed games: Freeminer, Minetest
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## Jacob L. Anawalt

Developed game: Batalla Naval
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## Jacob McElroy

Developed game: RuneLite
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## Jacob Nevins

Developed games: Freeciv, Simon Tatham's Portable Puzzle Collection
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## Jacob Odgård Tørring

Developed game: osu!
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## Jacob Rask

Developed game: Freeciv-web
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## Jacob Sweeten

Developed game: unitystation
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## jacob1

Developed game: The Powder Toy
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## Jacopo Santoni

Developed game: OpenMoM
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## Jacques Chion

Developed game: Tux Paint
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## Jae-Hong Lee

Developed game: COCOS2D-X
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## Jaedan

Developed game: ClassicUO
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## jafdy

Developed game: Endless Sky
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## JagWire

Developed game: Vircadia
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## Jai Sharma

Developed game: osu!
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## Jaime Passos

Developed game: Sonic Robo Blast 2
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## Jaime van Kessel

Developed game: EmptyEpsilon
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## Jairo

Developed game: DNT
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## jaj22

Developed game: Pioneer
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## Jaka Kranjc

Developed games: GemRB, Jagged Alliance 2 Stracciatella
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## Jake

Developed game: OpenDominion
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## Jake Archibald

Developed game: proxx
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## Jake Bailey

Developed game: pygame
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## Jake Brown

Developed game: CivOne
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## Jake Petroules

Developed game: Qt
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## Jake Poznanski

Developed game: MonoGame
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## jakexblaster (Marcos Cunha)

Developed game: Open Tibia
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## Jakim Friant

Developed game: AutoREALM
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## Jakob Fries

Developed game: Teeworlds
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## Jakob Mulvad Nielsen

Developed game: CivOne
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## Jakob Sinclair

Developed games: Godot, Sourcehold
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## Jakub Friedl

Developed game: Tux Paint
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## Jakub Janek

Developed game: Unknown Horizons
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## Jakub Linhart

Developed games: ClassicUO, CrossUO
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## Jakub Lukasik

Developed game: Lumix Engine
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## Jakub Pavlík

Developed game: freeVikings
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## Jakub Sandomierz

Developed game: Poland can into Space
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## Jakub Vaněk

Developed games: Freeminer, Minetest, OpenBVE
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## Jakub Wilk

Developed game: ScummVM
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## Jakub Šimek

Developed game: jMonkeyEngine
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## jal76

Developed game: Spring: 1944
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## jalbert-dev

Developed game: StepMania
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## Jalleo

Developed game: Space Station 13
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## James

Developed games: ClassicUO, Etterna, OpenRCT2, Race Into Space, unitystation
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## James 'J.C.' Jones

Developed game: PLIB
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## James A. Simons

Developed game: Wolfpack Empire
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## James Allred

Developed game: MegaMek
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## James Archbold

Developed game: Ancient Beast
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## James B. Pollack

Developed game: Vircadia
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## James Barnard

Developed game: Tux Racer
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## James Broad

Developed game: Wargamer
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## James Cameron

Developed game: Netrek
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## James Canete

Developed games: Chocolate Doom, Freeciv, ioquake3, iortcw, OpenArena, Tremulous
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## James Carthew

Developed games: Privateer - Gemini Gold, Vega Strike
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## James Carty

Developed games: OpenMW, TES3MP
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## James Damour

Developed game: MegaMek
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## James Ford

Developed game: MonoGame
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## James Game

Developed game: libGDX
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## James Gangur

Developed game: Cataclysm: Dark Days Ahead
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## James Gardner

Developed game: Thousand Parsec
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## James Gregory

Developed game: COCOS2D-X
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## James Guillochon

Developed game: Endless Sky
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## James Hale

Developed game: Sonic Robo Blast 2
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## James Haley

Developed game: Chocolate Doom
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## James Haley (Nightdive Studios)

Developed games: Chocolate Doom, Strife: Veteran Edition, The Eternity Engine
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## James Hodgson

Developed game: OpenDominion
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## James Hofmann

Developed game: Iceball
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## James Hood

Developed game: Simutrans
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## James Jurach

Developed game: libGDX
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## James Khan

Developed game: jMonkeyEngine
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## James Le Cuirot

Developed games: Commander Genius, freegish, SLADE
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## James Likier

Developed game: Manic Digger
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## James Lupiani

Developed game: MonoGame
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## James M Best

Developed game: WorldForge
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## James Marshall

Developed game: Cat Mother Dead Justice
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## James Meickle

Developed game: Dungeon Crawl Stone Soup
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## James Neal

Developed game: RogueSharp
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## James Packer

Developed game: Bridge Command
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## James Paige

Developed games: O.H.R.RPG.C.E., Ren'Py
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## James R.

Developed game: Sonic Robo Blast 2
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## James Russell

Developed game: CorsixTH
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## James Sherratt

Developed game: MegaGlest
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## James Simonson

Developed game: unitystation
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## James Simpson

Developed game: Isogenic Game Engine
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## James Stone

Developed game: GL-117
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## James Thomas

Developed game: Urho3D
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## James Turner

Developed games: FlightGear, Qt, WorldForge
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## James Urquhart

Developed games: Terminal Overload, Torque 2D, Torque 3D
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## James Wallen-Jones

Developed game: Open RSC
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## James Watkins-Harvey

Developed game: LÖVE
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## James Webb

Developed game: Lumix Engine
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## James Westman

Developed game: Godot
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## james4k

Developed game: OpenFL
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## James58899

Developed game: osu!
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## Jamie Taylor

Developed game: osu!
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## Jamil Akram

Developed game: Vircadia
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## jamrenaissance

Developed game: PCGen
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## Jamuro-g

Developed game: Cataclysm: Dark Days Ahead
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## Jan

Developed games: NBlood, PCExhumed, Rednukem, Thrive, Tremulous
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## Jan Adamec

Developed game: Castle Game Engine
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## Jan Arne Petersen

Developed game: Qt
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## Jan Beich

Developed games: OpenBOR, OpenRA
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## Jan Boon

Developed game: Ryzom Core
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## Jan Borsodi

Developed games: OpenMW, TES3MP
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## Jan Ekholm

Developed game: Civil
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## Jan Engelhardt

Developed games: Chocolate Doom, SLADE, ZDoom
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## Jan Friederich

Developed game: Mmpong
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## Jan Grulich

Developed game: Qt
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## Jan Haller

Developed game: Simple and Fast Multimedia Library
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## Jan Jurzitza

Developed game: osu!
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## Jan Korbel

Developed game: Simutrans
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## Jan Krassnigg

Developed game: ezEngine
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## Jan Kyselica

Developed game: Aisleriot
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## Jan Lukas Gernert

Developed game: REGoth
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## Jan Magne Tjensvold

Developed game: Stars! Nova
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## Jan Mattner

Developed games: Ilarion, Illarion
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## Jan Mulder

Developed games: Pendumito, WebHangman
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## Jan Petykiewicz

Developed game: GemRB
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## Jan Polák

Developed games: libGDX, Mindustry
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## Jan Raszyk

Developed game: ezQuake
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## Jan Rietema

Developed games: SilverTree, The Battle for Wesnoth
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## Jan Schäfer

Developed game: JSkat
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## Jan Urva

Developed game: phpRPG
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## Jan Wynholds

Developed game: Tux Paint
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## Jan-Hendrik Peters

Developed game: Arx Libertatis
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## Jan-Otto Kröpke

Developed game: 2Moons Browsergame Engine
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## Jan-Peter Nilsson

Developed games: OpenMW, TES3MP
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## Jana Mohn

Developed game: OpenSAGE
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## Jana Weigel

Developed game: Unknown Horizons
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## Janaszar

Developed game: Endless Sky
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## Janet Hunt

Developed game: FreeLords
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## Janet Walz

Developed game: NetHack
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## JanetHunt

Developed game: Flare
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## Jani Kajala

Developed game: Cat Mother Dead Justice
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## Jani Mäkinen

Developed game: Unvanquished
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## Janis Eisaks

Developed game: Sudokuki
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## janKir

Developed game: boardgame.io
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## Janne

Developed game: Ancient Beast
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## Janne Johansson

Developed game: Haxima
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## Janne Sinivirta

Developed game: AndEngine
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## Jannik Vogel

Developed games: OpenRW, OpenSWE1R
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## JANNiS

Developed game: Skrupel - Tribute Compilation
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## Jared

Developed game: Snowballz
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## Jared Adams

Developed games: Land of Fire, Mana, The Mana World
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## Jared Cook

Developed game: Phaser
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## Jared Miller

Developed game: Duality
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## Jared Stephen

Developed game: Hale
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## Jarek Lewandowski

Developed game: COCOS2D-X
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## JarekKobus

Developed game: Qt
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## JarheadHME

Developed game: Wind Waker Randomizer
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## Jari

Developed game: Open Apocalypse
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## Jari Karjala

Developed game: StarMines: The Next Generation
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## Jari Winberg

Developed game: Simple-Solitaire
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## Jaromír Wysoglad

Developed game: ScummVM
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## Jaroslav Benkovský

Developed game: GemRB
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## Jaroslaw Wisniewski

Developed game: libGDX
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## Jarosław Zgierski

Developed game: osu!
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## Jarrett Thomas

Developed game: Land of Fire
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## Jarrod L. Miller

Developed game: XPilot
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## Jarrod Mosen

Developed game: Box2D
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## Jarvik7

Developed game: Yamagi Quake II
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## Jasmin Patry

Developed game: Tux Racer
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## Jasmine Langridge

Developed game: Trigger
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## Jason

Developed games: PCGen, Wargamer
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## jason

Developed game: Gang Garrison 2
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## Jason Barron

Developed game: Qt
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## Jason Benaim

Developed game: Chocolate Doom
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## Jason Buchanan

Developed game: PCGen
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## Jason Bush

Developed game: MegaMek
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## Jason D. Clinton

Developed game: Aisleriot
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## Jason Dorje Short

Developed game: Freeciv
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## Jason Farmer

Developed game: Siege of Avalon : Open Source
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## Jason Felds

Developed games: Etterna, StepMania
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## Jason Gilbert

Developed games: Cataclysm: Dark Days Ahead, OpenXcom
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## Jason Hancock

Developed game: Panda3D
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## Jason Harrison

Developed game: boardgame.io
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## Jason Hawks

Developed game: Vircadia
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## Jason Hooks

Developed games: OpenMW, TES3MP
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## Jason Johnson

Developed game: Dune Legacy
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## Jason Jones

Developed game: Cataclysm: Dark Days Ahead
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## Jason Klapste

Developed game: Rails: an 18xx game system
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## Jason Kwok

Developed game: Phaser
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## Jason M Carlough

Developed game: DOOM Retro
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## Jason Nunn

Developed game: Nighthawk
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## Jason Rohrer

Developed games: Between, Cultivation, Gravitation, One Hour One Life, Passage, Primrose, Sleep Is Death, Transcend
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## Jason Smestad

Developed game: Valyria Tear
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## Jason Smyrloglou

Developed game: MegaMek
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## Jason Summers

Developed game: Golly
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## Jason Tighe

Developed games: MegaMek, MekWars
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## Jason Wall

Developed game: XMage
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## Jason Walsh

Developed game: StepMania
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## Jason Winzenried

Developed game: Vega Strike
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## Jason Wood

Developed game: Tux Football
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## Jason Xu

Developed game: COCOS2D-X
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## Jason Yates

Developed game: Aleph One
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## Jasper Spaans

Developed game: PCGen
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## Jasper v. B.

Developed game: openage
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## Jasper Van der Jeugt

Developed game: Annchienta
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## jastiv

Developed game: Wograld
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## Jat15

Developed game: Minetest Game
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## Javier A. Ortiz Bultron

Developed games: JaNaG - Java Name Generator, PCGen
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## Javier Arevalo

Developed game: Phaser
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## Javier Ayres

Developed game: Lona
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## Javier Jardón

Developed games: Aisleriot, Atomix, xoreos
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## Javier Marín

Developed game: SharpKonquest
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## Javier Torrente

Developed game: eAdventure
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## javila

Developed game: Land of Fire
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## Jay Atkinson

Developed game: OpenXcom
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## jay binks

Developed game: UltraStar Deluxe
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## Jay Fenlason

Developed game: Hack
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## Jay French

Developed game: Space Trader for Windows
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## Jay Kint

Developed game: Omega-rpg
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## Jay Oster

Developed game: melonJS
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## Jay Peet

Developed game: alive
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## Jay Sistar

Developed games: Atomic Game Engine, OpenFL
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## jay wellings

Developed game: Mpango
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## Jay_H

Developed game: Daggerfall Unity
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## JayH2971

Developed game: Daggerfall Unity
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## Jaylon Gowie

Developed game: Simple DirectMedia Layer
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## Jayme Cox

Developed game: PCGen
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## jaytersen

Developed game: Unvanquished
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## JaytleBee

Developed game: unitystation
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## Jazmin

Developed game: Vircadia
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## jazz mickle

Developed game: DelverEngine
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## jazztickets

Developed games: Choria, Empty Clip, irrlamb
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## jazzvaz

Developed game: OpenXRay
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## Jbaukens

Developed game: 2Moons Browsergame Engine
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## jbeshir

Developed game: MonoGame
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## jbot-42

Developed game: The Powder Toy
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## jbuck3

Developed game: Godot
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## JC Snider

Developed game: Intersect
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## jcaesar

Developed game: OpenClonk
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## jcd000

Developed game: Cataclysm: Dark Days Ahead
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## jcnossen

Developed game: Spring
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## jcreusand

Developed game: Freeciv
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## jdah

Developed game: minecraft-weekend
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## JDarthenay

Developed game: OpenXcom
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## jdempsey-au

Developed game: PCGen
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## jdgleaver

Developed game: TyrQuake
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## jdh

Developed game: minecraft-weekend
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## jdigreze

Developed game: Unknown Horizons
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## jdrueckert

Developed game: Terasology
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## Jean Jung

Developed game: Godot
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## Jean Karim Bockstael

Developed game: MicroWar 2.0
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## Jean Lepropre

Developed game: FreeCol
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## Jean Luc PONS

Developed game: BlockOut II
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## jean pellotier

Developed game: FlightGear
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## Jean-Baptiste "Jiba" Lamy

Developed game: Slune
Organization: Nekeme Prod.
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## Jean-Baptiste Onofré

Developed game: XMage
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## Jean-Christophe Collet

Developed game: NetHack
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## Jean-Claude Monnin

Developed game: Horde3D
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## Jean-Denis Boivin

Developed game: OpenFL
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## Jean-Francois Renaud

Developed game: jMonkeyEngine
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## Jean-Francois Romang

Developed game: Stockfish
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## jean-manuel clemençon

Developed game: SuperTuxKart
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## Jean-Marc Le Peuvedic

Developed game: GL-117
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## Jean-Michaël Celerier

Developed game: Qt
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## Jean-Michel Baudrey

Developed game: Duckmaze
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## Jean-Michel Bernard

Developed game: Godot
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## Jean-Michel Martin de Santero

Developed games: Powermanga, TecnoballZ
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## Jean-Patrick Guerrero

Developed games: Freeminer, Minetest, Minetest Game
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## Jean-Philippe Meuret

Developed game: Speed Dreams
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## Jean-Pierre Sabbagh

Developed game: ENIGMA (development environment)
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## Jean-Sébastien B.

Developed game: libGDX
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## Jean-Vivien Maurice

Developed game: Extreme Tux Racer
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## Jeannette Bilton

Developed game: Freya Game Engine
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## JeeZ

Developed game: Spring
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## Jeff

Developed games: DelverEngine, Seven Kingdoms: Ancient Adversaries
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## Jeff Baril

Developed game: PCGen
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## Jeff Breidenbach

Developed game: Pioneers
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## Jeff Clinton

Developed game: Vircadia
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## Jeff Cotter

Developed game: Wolfpack Empire
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## Jeff Coyle

Developed game: VASSAL
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## Jeff Freedman

Developed game: Exult
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## Jeff Goodenough

Developed game: Daimonin
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## Jeff Graw

Developed game: Vega Strike
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## Jeff Huang

Developed games: Freeminer, Minetest
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## Jeff Hutchinson

Developed game: Torque 3D
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## Jeff Johnson

Developed game: MonoGame
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## Jeff Koerner

Developed game: Pizza Business
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## Jeff Makey

Developed game: BZFlag
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## Jeff Nowakowski

Developed game: Netrek
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## Jeff Thoene

Developed game: Shotgun Debugger
Organization: Game Creation Society
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## Jeff Vogel

Developed game: Classic Blades of Exile
Organization: Spiderweb Software
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## Jeff Wadsworth

Developed game: XMage
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## Jeff Wang

Developed games: COCOS2D-X, MegaMek
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## Jefferson Montgomery

Developed game: Dear ImGui
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## Jeffery Myers

Developed games: BZFlag, raylib
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## Jeffrey 'Sigurd' Westcoat

Developed game: The Battle for Wesnoth
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## Jeffrey Haines

Developed games: OpenMW, TES3MP
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## Jeffrey Han

Developed game: opsu!
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## Jeffrey Lucas Eldridge

Developed game: The Battle for Wesnoth
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## Jeffrey Sanders

Developed game: Bygfoot
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## Jeffrey Veenhuis

Developed game: LBA2 Remake
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## Jeffrey Ventrella

Developed game: Vircadia
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## jekin trivedi

Developed game: WorldForge
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## jennaingersoll

Developed game: Vircadia
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## Jennifer McMurray

Developed game: ScummVM
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## Jens

Developed game: Ambermoon.net
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## Jens A. Koch

Developed game: FIFE
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## Jens Ayton

Developed game: Oolite
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## Jens Fischer

Developed games: HaxeFlixel, OpenFL
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## Jens Fursund

Developed game: Qonk
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## Jens Pitkänen

Developed game: raylib
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## Jens Rottmann

Developed game: Minetest
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## Jens Schmer

Developed game: PixelLight
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## jenschou

Developed game: Angband
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## jensj12

Developed game: OpenRCT2
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## Jeongin Lee

Developed game: Commander Genius
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## jepael

Developed game: ScummVM
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## Jerek Wilson

Developed game: XMage
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## Jeremiah D. Powell

Developed game: Ogrian Carpet
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## Jeremiah Morris

Developed game: Aleph One
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## Jeremiah Sypult

Developed games: ioquake3, OpenArena, Tremulous
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## Jeremy

Developed games: Cataclysm: Dark Days Ahead, MonoGame
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## Jeremy Bicha

Developed game: Aisleriot
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## Jeremy Cochoy

Developed game: ClanLib
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## Jeremy D. Monin

Developed game: JSettlers
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## Jeremy Glazebrook

Developed game: FreeSO
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## Jeremy Lainé

Developed game: Qt
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## Jeremy Liberman

Developed game: unitystation
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## Jeremy List

Developed game: Pioneer
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## Jeremy Munson

Developed game: Zero-K
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## Jeremy Newman

Developed game: Nuvie
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## Jeremy Osborne

Developed game: Cataclysm: Dark Days Ahead
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## Jeremy Pallats/starcraft.man

Developed game: PCGen
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## Jeremy Parsons

Developed game: Aleph One
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## Jeremy Plsek

Developed game: RuneLite
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## Jeremy Reeves

Developed game: Decker
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## Jeremy Rose

Developed games: Cataclysm: Dark Days Ahead, openc2e
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## Jeremy Sheeley

Developed game: Kobo Deluxe
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## Jeremy Van Grinsven

Developed games: Space Nerds In Space, Word War vi
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## Jeremy Whiting

Developed game: Blinken
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## Jeric

Developed game: libGDX
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## Jerimee Richir

Developed game: Cataclysm: Dark Days Ahead
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## Jeroen

Developed game: RuneLite
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## Jeroen Baert

Developed game: Vircadia
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## Jeroen Boukens

Developed game: Red Eclipse
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## Jeroen Broks

Developed game: Sudokuki
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## Jeroen Carolus

Developed game: android-chess
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## Jeroen Groeneweg

Developed game: Smash Battle
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## Jeroen Reurings

Developed game: melonJS
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## Jeroen Sack

Developed game: OpenRCT2
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## JeroenDStout

Developed game: OpenRCT2
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## JEROME BIGOT

Developed game: Bombermaaan
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## Jerome Marty

Developed game: Commander Genius
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## Jerome Touffe-Blin

Developed game: PCGen
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## jeromepasion

Developed game: Qt
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## Jerrad Bieno

Developed game: XMage
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## Jerry

Developed game: VASSAL
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## Jerry Jiang

Developed game: 2048
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## Jesper Sørensen

Developed game: Phaser
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## Jesse

Developed game: MonoGame
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## Jesse Jaara

Developed game: The Powder Toy
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## Jesse Jennings

Developed game: XMage
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## Jesse Johnson

Developed game: OGRE
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## Jesse Luehrs

Developed game: Dungeon Crawl Stone Soup
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## Jesse Manning

Developed game: FIFE
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## Jesse Myers

Developed game: osu!
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## Jesse Ruderman

Developed game: HyperRogue
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## Jesse Serrao

Developed game: RuneLite
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## Jesse Simko

Developed game: Aleph One
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## Jesse Smith

Developed games: Atomic Tanks, SDL Sopwith
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## Jesse Talavera-Greenberg

Developed game: libGDX
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## Jessica Beller

Developed games: Land of Fire, Source of Tales
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## Jessica Hawkwell

Developed game: Terasology
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## Jessica Lord

Developed game: Morpheus Web Remake
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## Jessica Meng

Developed game: osu!
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## jestarray

Developed game: Phaser
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## JesterX666

Developed game: unitystation
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## Jesus Fernandez

Developed game: Qt
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## jesusjbr

Developed game: XMage
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## Jetro Lauha

Developed game: Pathogen Warrior
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## jewellds

Developed game: Freedoom
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## JFonS

Developed game: Godot
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## jgelderloos

Developed game: openage
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## jguyton

Developed game: Vega Strike
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## jh

Developed game: Return to the Roots
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## jhautio

Developed game: Widelands
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## Jialong Zhai

Developed game: COCOS2D-X
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## jianglong

Developed game: COCOS2D-X
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## jianglong-zz

Developed game: COCOS2D-X
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## jianliang79

Developed game: Qt
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## Jianxiang Wang (王健翔)

Developed game: Cataclysm: Dark Days Ahead
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## Jibbajabbafic

Developed game: unitystation
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## Jiddo

Developed game: Open Tibia
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## Jihed Kallel

Developed game: melonJS
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## Jihoon

Developed game: osu!
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## Jihoon Yang

Developed game: osu!
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## Jiiniasu

Developed game: Vocaluxe
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## Jill

Developed game: BAB BE U
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## jill

Developed game: BAB BE U
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## Jim

Developed game: OpenRCT2
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## Jim Armstrong

Developed game: OpenRCT2
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## Jim Cameron

Developed game: Underworld Adventures
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## Jim Cotugno

Developed game: VASSAL
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## Jim Duchek

Developed game: GamePlay
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## Jim Gilloghy

Developed game: Colossal Cave Adventure
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## Jim Huang

Developed game: GBDK
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## Jim Schultz

Developed games: Greenius' Civil War, Wargamer
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## Jim Tilander

Developed game: Dear ImGui
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## Jim Urbas

Developed game: VASSAL
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## Jim Valavanis

Developed game: RAD
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## Jimb Esser

Developed game: Simple DirectMedia Layer
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## JimMarlowe

Developed game: Atomic Game Engine
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## Jimmy

Developed games: COCOS2D-X, OldSkool Gravity Game, SDL-Ball, Wizznic!
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## Jimmy Berry

Developed game: openage
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## Jimmy Christensen

Developed games: OldSkool Gravity Game, SDL-Ball
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## Jimmy Delas

Developed game: HaxeFlixel
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## Jimmy Salmon

Developed game: Stargus
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## JimmyC7834

Developed game: osu!
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## Jin XIA

Developed game: Terasology
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## Jindrich kolman

Developed game: Machinations
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## Jindřich Dítě

Developed games: Destination Sol, Terasology
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## Jiri Daněk

Developed games: Andor's Trail, Pachi
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## jiruoan

Developed game: Augustus
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## jiusheng

Developed game: COCOS2D-X
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## Jiří Bobrek

Developed game: Train
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## Jiří Kuneš

Developed games: OpenMW, TES3MP
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## Jiří Moravec

Developed game: Seven Kingdoms: Ancient Adversaries
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## jjonj

Developed game: Thrive
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## JK Wood

Developed game: FreedroidRPG
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## jk3064

Developed game: Spring
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## jkachhad

Developed game: ClassicUO
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## JKatzwinkel

Developed game: Settlers III remake
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## jkraybill

Developed game: Cataclysm: Dark Days Ahead
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## jlin14

Developed game: XMage
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## jmbjr

Developed game: Dungeon Crawl Stone Soup
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## jmcdonnell-qnx

Developed game: Qt
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## JMcKiern

Developed game: OpenTTD
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## jmf

Developed game: Pioneer
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## jmgrosen

Developed game: Vircadia
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## jmharmon

Developed game: XMage
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## jmhorjus

Developed game: Endless Sky
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## jmimu

Developed game: Free in the Dark (engine)
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## jmm0

Developed game: pygame
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## jmryan64

Developed game: Terasology
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## jnecus

Developed game: UnCiv
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## Jo Emil Holen

Developed games: Ghostly, Kartering
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## Jo Shields

Developed game: MonoGame
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## Joachim Breitner

Developed games: Infon Battle Arena, Widelands
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## Joachim de Groot

Developed game: NLarn
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## joachimdieterich.com

Developed game: UltraStar Deluxe
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## Joakim Berg

Developed games: OpenMW, TES3MP
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## Joakim L. Gilje

Developed game: Return to the Roots
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## Joakim Söderberg

Developed game: ezQuake
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## Joan Josep

Developed games: OpenTTD, Unknown Horizons
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## Joan Karadimov

Developed games: Devilution, DevilutionX
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## Joan Lung

Developed game: Space Station 13
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## Joan Queralt

Developed game: Biogenesis
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## Joan Queralt Molina

Developed game: Biogenesis
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## Joaquin Gomez

Developed game: Rigs of Rods
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## Joaquín

Developed game: Argentum Online
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## JoBergeron

Developed game: Yamagi Quake II
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## jobi-wan

Developed game: Oolite
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## Jocelyn Chaumel

Developed game: First Strike
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## Jocelyn Turcotte

Developed game: Qt
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## Jochen Voss

Developed game: Moon-buggy
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## Jodwin

Developed game: Mocha Doom
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## Joe

Developed game: Cataclysm: Dark Days Ahead
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## Joe "Flame" Sullivan

Developed games: Eternal Lands, Other-Life
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## Joe Doyle

Developed game: Hedgewars
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## Joe Farebrother

Developed game: BAB BE U
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## Joe Flint

Developed game: Brutal Chess
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## Joe Forte

Developed game: Crystal Space 3D SDK
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## Joe Hansen

Developed game: Tux Paint
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## Joe Ludwig

Developed games: ges-code, GoldenEye: Source
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## Joe Lyon

Developed game: PlaneShift
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## Joe Shochet

Developed game: Panda3D
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## Joe Stringer

Developed game: OpenTTD
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## Joe Van Overberghe

Developed game: BZFlag
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## Joe Venzon

Developed game: VDrift
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## Joe Wells

Developed game: PCGen
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## Joe Williamson

Developed game: HaxeFlixel
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## JoeClacks

Developed game: Terasology
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## joehager

Developed game: Panda3D
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## Joel Bouchard Lamontagne

Developed game: Stringrolled
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## Joel Croteau

Developed game: OGRE
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## Joel Davis

Developed game: raylib
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## Joel de Vahl

Developed game: Teeworlds
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## Joel Graff

Developed games: OpenMW, TES3MP
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## Joel Hedtjärn

Developed game: unitystation
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## Joel Linn

Developed game: Simple DirectMedia Layer
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## Joel Schumacher

Developed game: LÖVE
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## Joel Stanley

Developed game: Thousand Parsec
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## Joel Teichroeb

Developed games: OpenJK, ResidualVM, ScummVM
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## Joel Uckelman

Developed game: VASSAL
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## Joerg Czeranski

Developed game: IMaze
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## Joerg Kirchhoff

Developed game: phpRPG
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## joeshmo

Developed game: Daimonin
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## joewan

Developed game: COCOS2D-X
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## Joey Bleau

Developed game: Flare
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## Joey L. Maalouf

Developed game: The Battle for Wesnoth
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## Joey Marshall

Developed game: Snowballz
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## Joey Parrish

Developed game: FreeSynd
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## joffb

Developed game: Odamex
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## Johan Althoff

Developed game: Teeworlds
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## Johan Klokkhammer Helsing

Developed game: openage
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## Johan Manuel

Developed game: Godot
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## Johan Peitz

Developed game: Alex the Allegator 4
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## Johan Rehnberg

Developed game: Spring
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## JohanJansen

Developed game: Egoboo
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## Johann Schopplich

Developed game: EasyRPG Player
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## Johannes Bergmeier

Developed game: Ksudoku
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## Johannes Brandt Nielsen

Developed games: Etterna, StepMania
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## Johannes Danneker

Developed game: Minilens
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## Johannes Doerfert

Developed game: Return to the Roots
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## Johannes E

Developed game: PCGen
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## Johannes Kadak

Developed game: The Powder Toy
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## Johannes Maier

Developed game: Dungeon Crawl Stone Soup
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## Johannes Neubauer

Developed game: chainreaction
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## Johannes Prix

Developed game: FreedroidRPG
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## Johannes Schickel

Developed game: ScummVM
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## Johannes Schneider

Developed game: Inexor
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## Johannes Sjölund

Developed game: libGDX
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## Johannes Walcher

Developed game: openage
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## Johannes Witt

Developed game: Godot
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## Johannes Zellner

Developed game: Qt
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## johannesrosenqvist

Developed game: Open Tibia
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## John

Developed games: COCOS2D-X, CrossUO, Red Eclipse, VASSAL, XMage
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## John _Scott_ Tillman

Developed game: WorldForge
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## John Bartholomew

Developed game: Pioneer
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## John Bauer

Developed game: StepMania
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## John Blackburn

Developed game: Gideros
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## John Bolton

Developed game: VCMI
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## John Bytheway

Developed game: Cataclysm: Dark Days Ahead
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## John C Barstow

Developed game: xoreos
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## John C. Allwein

Developed game: libGDX
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## John Candlebury

Developed game: Cataclysm: Dark Days Ahead
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## John Cater

Developed game: Crossfire
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## John Cheetham

Developed game: PyChess
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## John Conklin II

Developed game: Vircadia
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## John Cordell

Developed game: Privateer - Gemini Gold
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## John Cote

Developed game: Panda3D
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## John D. Corrado

Developed game: Odamex
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## John D. Dilley

Developed game: Colonization too
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## John Davis

Developed game: Monster Generator
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## John Dean

Developed game: Morpheus Web Remake
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## John Dullea

Developed game: AutoREALM
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## John Duquette

Developed game: Wargamer
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## John Eikenberry

Developed game: Civil
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## John Ericson

Developed games: Iceball, OpenSpades
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## John F. Fay

Developed game: PLIB
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## John Gilbert

Developed game: Wargamer
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## John Gray

Developed game: XMage
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## John Layt

Developed game: Qt
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## John Lyon-Smith

Developed game: MonoGame
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## John McIntosh

Developed game: 4D Maze Game
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## John Neijzen

Developed game: osu!
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## John Nesky

Developed game: Shotgun Debugger
Organization: Game Creation Society
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## John Popplewell

Developed game: Tux Paint
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## John R. Sheets

Developed game: WorldForge
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## John Rowat

Developed game: MegaMek
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## John S.

Developed game: PyKaraoke
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## John Skoteiniotis

Developed game: Phaser
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## John Smith

Developed game: Daimonin
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## John Stahara

Developed game: Dungeon Crawl Stone Soup
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## John Stilley

Developed game: Dungeon Crawl Stone Soup
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## John Strömblom

Developed game: OpenDominion
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## John Thickstun

Developed game: FIFE
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## John Turner

Developed game: OpenRA
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## John Törnblom

Developed game: DevilutionX
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## John Watson

Developed game: Phaser
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## John Wigg

Developed game: Godot
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## John Willard

Developed game: Space Station 13
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## John Yockey

Developed game: Wolfpack Empire
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## John Zulauf

Developed game: Godot
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## John-He-928

Developed game: COCOS2D-X
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## John-Paul Gignac

Developed game: Pathological
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## John-Paul Treen

Developed game: Wargamer
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## John3

Developed game: Torque 3D
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## johnange

Developed game: COCOS2D-X
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## Johnathan Franck

Developed game: Vircadia
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## Johnathan James

Developed game: FreeCol
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## johndoe123

Developed game: ScummVM
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## Johnny

Developed game: Jactorio
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## Johnny Salazar

Developed game: Pizza Business
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## johnny8020

Developed game: Open Tibia
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## JohnnyWahib

Developed game: Atomic Game Engine
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## johnrdconnolly

Developed game: Cataclysm: Dark Days Ahead
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## johnreactor

Developed games: Etterna, StepMania
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## JohnTheDonut

Developed game: Space Station 13
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## Joilnen

Developed game: OGRE
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## jojo

Developed game: Red Eclipse
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## JOKer

Developed game: Unknown Horizons
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## JOKER VAN HAELN

Developed game: Mega Mario
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## jokermatt999

Developed game: Cataclysm: Dark Days Ahead
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## joliver82

Developed game: jMonkeyEngine
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## Jolomann

Developed game: Etterna
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## Jon

Developed game: VASSAL
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## Jon Knapp

Developed game: Dungeon Crawl Stone Soup
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## Jon Lund Steffensen

Developed game: Freeserf
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## Jon Parise

Developed game: Panda3D
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## Jon Rafkind

Developed games: Allegro, PainTown
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## Jon Renner

Developed game: libGDX
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## Jon Sargeant

Developed game: Machinations
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## Jon Trulson

Developed game: Conquest
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## Jon Watte

Developed game: GamePlay
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## Jonadab the Unsightly One

Developed game: Brogue
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## Jonah Jeleniewski

Developed game: Phaser
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## JonahDes

Developed game: Cataclysm: Dark Days Ahead
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## Jonan

Developed game: Heroes of Wesnoth
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## Jonas

Developed game: Godot
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## Jonas A. Lind

Developed game: OpenRA
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## Jonas Byström

Developed game: Slime Volleyball
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## Jonas Eschenburg

Developed game: Thunder&Lightning
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## Jonas Jelten

Developed game: openage
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## Jonas Karlsson

Developed games: PCGen, ResidualVM, ScummVM
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## Jonas Kulla

Developed game: mkxp
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## Jonas Mörschbach

Developed game: Widelands
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## Jonas Spillmann

Developed game: Amphetamine
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## Jonas Termansen

Developed games: ges-code, GoldenEye: Source
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## Jonas Öhrn

Developed game: Orx
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## jonaskoelker

Developed game: Simon Tatham's Portable Puzzle Collection
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## Jonast

Developed game: PyChess
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## Jonathan

Developed game: openage
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## Jonathan "Geenz" Goodman

Developed game: Vircadia
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## Jonathan Atkins

Developed game: GLtron
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## Jonathan Buresh

Developed game: Sintel The Game
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## Jonathan C. Dietrich

Developed game: VASSAL
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## Jonathan Calovski

Developed game: Stockfish
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## Jonathan Clark

Developed game: Gorc
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## Jonathan D.

Developed game: Stockfish
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## Jonathan De Wachter

Developed game: Simple and Fast Multimedia Library
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## Jonathan Dowland

Developed game: Chocolate Doom
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## Jonathan E. Wright

Developed game: Nuvie
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## Jonathan Evraire

Developed game: WebChess
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## Jonathan G Rennison

Developed games: OpenTTD, TTDPatch
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## Jonathan Haas

Developed game: OpenRCT2
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## Jonathan Hamilton

Developed games: Open Apocalypse, OpenXcom
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## Jonathan Lee

Developed game: RuneLite
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## Jonathan Lilliemarck

Developed game: Allegro
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## Jonathan Ling

Developed game: OpenRA
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## Jonathan Liu

Developed game: Qt
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## Jonathan M. Franz

Developed game: Psyco
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## Jonathan Mercier-Ganady

Developed game: DevilutionX
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## Jonathan Musther

Developed game: Slingshot
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## Jonathan Neuschäfer

Developed games: Freeminer, Minetest
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## Jonathan Nicholas

Developed game: DOOM Retro
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## Jonathan Noyola

Developed game: MonoGame
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## Jonathan Payne

Developed games: Etterna, StepMania
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## Jonathan Pearl

Developed game: libGDX
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## Jonathan Peppers

Developed game: MonoGame
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## Jonathan Powell

Developed game: Arx Libertatis
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## Jonathan Riddell

Developed game: Blinken
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## Jonathan Rubenstein

Developed game: Space Station 13
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## Jonathan Seeley

Developed game: Allegro
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## Jonathan Sieber

Developed game: Blobby Volley 2
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## Jonathan Siwek

Developed game: FreeOrion
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## Jonathan Skeate

Developed game: XMage
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## Jonathan Stickles Fox

Developed game: Liberal Crime Squad
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## Jonathan Toomim

Developed game: Brain Workshop
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## Jonathan White

Developed games: ges-code, GoldenEye: Source
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## Jonathan Wilson

Developed game: Theme Park Builder 3D CAD
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## Jonathan Young

Developed games: Classic RBDoom 3 BFG, RBDOOM-3-BFG
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## JonathanILevi

Developed game: EmptyEpsilon
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## JonathanSteinbuch

Developed game: Return to the Roots
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## Jonathon Fowler

Developed games: JFDuke3D, JonoF's Shadow Warrior Port (JFSW)
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## jonhen

Developed game: Jagged Alliance 2 Stracciatella
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## Joni Orponen

Developed game: Anura
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## Joni Vähämäki

Developed games: ResidualVM, ScummVM
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## Jonne Nauha

Developed game: Urho3D
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## Jonny D

Developed game: Openglad
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## Jonny Paton

Developed games: OPMon, Simple and Fast Multimedia Library, xygineXT
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## jonri

Developed game: Godot
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## JonSully

Developed game: GUSANOS
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## jonwil

Developed game: Thyme
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## Joohan Lee

Developed game: ScummVM
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## Joona

Developed game: RuneLite
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## Joona "JDruid" Karjalainen

Developed game: Trip on the Funny Boat
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## Joona Kiiski

Developed game: Stockfish
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## Joonas Kerttula

Developed game: Frets on Fire
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## joonicks

Developed game: Pioneer
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## Joost Peters

Developed games: FreeSynd, ResidualVM, ScummVM
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## Joost VandeVondele

Developed game: Stockfish
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## Joost Yervante Damad

Developed game: openMSX
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## Jordan

Developed game: RuneLite
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## Jordan Ayers

Developed games: OpenMW, TES3MP
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## Jordan Barnes

Developed game: Ancient Beast
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## Jordan Brown

Developed game: Space Station 13
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## Jordan Butler

Developed game: Roguish
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## Jordan Christiansen

Developed games: Duck Marines, NXEngine-evo
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## Jordan Irwin

Developed game: Stendhal
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## Jordan Milne

Developed games: OpenMW, TES3MP
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## Jordan Patterson

Developed game: Urho3D
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## Jordan Phillips

Developed game: MonoGame
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## Jordan Schidlowsky

Developed game: Godot
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## Jordan Snelling

Developed game: Minetest Game
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## Jordi Mallach

Developed game: Twine
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## Jordi Mas

Developed game: Aisleriot
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## Jordi Vilalta Prat

Developed games: ResidualVM, ScummVM
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## Jordie

Developed game: Space Station 13
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## Jordon Moss

Developed games: GZDoom, NBlood, PCExhumed, Raze, Rednukem, ZDoom
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## Jordy Vieira

Developed game: freeablo
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## Jordà

Developed game: The Battle for Wesnoth
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## Jorge A. Gomes

Developed game: raylib
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## Jorge Araya

Developed game: Godot
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## Jorge Gómez Sanz

Developed game: INSTEAD
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## Jorge Jara

Developed game: Freeminer
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## Jorge Maldonado Ventura

Developed games: Hexoshi, Project: Starfighter, ReTux, Seven Kingdoms: Ancient Adversaries, Unknown Horizons
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## Jorge Martinez

Developed game: unitystation
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## Jorin Vermeulen

Developed game: melonJS
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## Joris Beugnies

Developed game: Scorched3D
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## Joris Bontje

Developed game: Crossfire
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## Joris Dauphin

Developed games: Stargus, Stratagus, Wargus
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## Joris van de Donk

Developed game: freegish
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## Joris van Eijden

Developed game: Daggerfall Unity
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## Jorn Vernee

Developed game: Cataclysm: Dark Days Ahead
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## Jornand de Buisonjé

Developed game: Sopwith 3
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## jorolf

Developed game: osu!
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## Jorrit de Vries

Developed game: OGRE
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## Jorrit Tyberghein

Developed games: Crystal Space 3D SDK, PlaneShift
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## josch

Developed game: VCMI
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## Jose Luis Cercós Pita

Developed games: Spring, Spring: 1944
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## Jose Riha

Developed games: Hedgewars, Performous, UltraStar Deluxe
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## Jose Varela

Developed game: StepMania
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## Jose Zanni

Developed game: Glest
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## josecpujol

Developed game: Vircadia
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Developed game: Pachi
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Developed game: Betrayer's Moon Tactics
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Developed game: Flare
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Developed game: Necklace of the Eye
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Developed game: ScummVM
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## Joseph Hewitt

Developed games: Dungeon Monkey Eternal, Dungeon Monkey Unlimited, GearHead, GearHead 2
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## Joseph Jezak

Developed games: ResidualVM, ScummVM
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## Joseph Madamba

Developed game: osu!
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## Joseph Ni

Developed games: Castle of the Winds, Castle of the Winds in Elm
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Developed game: ezQuake
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Developed game: VASSAL
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Developed game: MegaMek
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Developed game: Race Into Space
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Developed game: XMage
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Developed game: ScummVM
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Developed game: Terasology
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Developed game: osu!
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## Josh Allen

Developed game: StepMania
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## Josh Bodily

Developed game: COCOS2D-X
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## Josh Bolduc

Developed game: KQ Lives
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## Josh Braden

Developed game: Dungeon Crawl Stone Soup
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## Josh Bressers

Developed game: Ularn
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## Josh Davidson

Developed game: FlightGear
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## Josh Flachsbart

Developed game: AutoREALM
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## Josh Gelbard

Developed game: Dungeon Crawl Stone Soup
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## Josh Hoover

Developed games: Crossfire, Zero-K
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## Josh Katz

Developed game: melonJS
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## Josh Keegan

Developed game: CorsixTH
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## Josh Kelley

Developed game: Omega-rpg
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## Josh M.

Developed game: unitystation
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## Josh Richey

Developed game: Cataclysm: Dark Days Ahead
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## Josh Schonstal

Developed game: HaxeFlixel
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## josh shepard

Developed game: Phaser
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## Josh Shippam

Developed game: 2006-rebotted
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## Josh Soref

Developed game: Phaser
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## Josh Steinhauer

Developed game: Daggerfall Unity
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## Josh Tynjala

Developed game: OpenFL
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## Josh Ventura

Developed game: ENIGMA (development environment)
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## Josh Zacharias

Developed game: Terasology
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## JoshEngebretson

Developed game: Atomic Game Engine
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## Joshi1999

Developed game: Manic Digger
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## Joshua Bartz

Developed game: MegaMek
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## Joshua Blocher

Developed game: Red Eclipse
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## Joshua Bodine

Developed game: BZFlag
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## Joshua Chin

Developed game: Cataclysm: Dark Days Ahead
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## Joshua Colclough

Developed game: raylib
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## Joshua Fan

Developed game: Mindustry
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## Joshua Fehler

Developed game: Ren'Py
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## Joshua Filby

Developed game: RuneLite
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## Joshua Grams

Developed game: Godot
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## Joshua Granick

Developed games: HaxeFlixel, OpenFL
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## Joshua McKenty

Developed game: OpenFL
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## Joshua Minor

Developed game: LIKO-12
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## Joshua Moerman

Developed game: OpenRCT2
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## Joshua Ols

Developed game: minesweeper-rs
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## Joshua Reisenauer

Developed game: raylib
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## Joshua Scoggins

Developed games: Aleph One, Yamagi Quake II
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## Joshua Skelton

Developed game: DelverEngine
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Developed game: xu4
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## Joshua Wilson

Developed game: Crossfire
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## Joshua Yockey

Developed game: MegaMek
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## joshuagiles

Developed game: Cataclysm: Dark Days Ahead
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Developed game: Solarus
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## Josip Komljenović

Developed game: pygame
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## jostephd

Developed games: Endless Sky, The Battle for Wesnoth
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## Josua Grawitter

Developed games: OpenMW, TES3MP
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Developed game: OpenRCT2
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## José Cadete

Developed games: Augustus, Julius
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## José Millán Soto

Developed game: Qt
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Developed game: Colobot: Gold Edition
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## José Zanni

Developed game: Glest
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## Jotabe

Developed game: Argentum Online
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## JotaPeRL

Developed game: XMage
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## Jotham

Developed game: Thousand Parsec
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## Journeyman

Developed game: Open Yahtzee
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## Jozef

Developed game: Terasology
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## Jozef Behran

Developed game: Minetest
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## Jozef Prídavok

Developed game: COCOS2D-X
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## João Rodrigues

Developed games: Freeminer, Minetest, OpenSpades
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## JP Cimalando

Developed games: DXX-Rebirth, Shockolate
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## JP LeBreton

Developed games: GZDoom, ZDoom
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## jpaul_d

Developed game: FunLabyrinthe
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Developed game: NLarn
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## jqdg

Developed game: Simple and Fast Multimedia Library
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## jrb0001

Developed game: OpenRA
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## JRF-github

Developed game: Jagged Alliance 2 Stracciatella
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## jrivany

Developed games: OpenMW, TES3MP
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## JrTRinny

Developed game: Mindustry
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## JS Fauteux

Developed game: xygineXT
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## jsd1982

Developed games: Odamex, OpenRA
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## jseah

Developed game: Zero-K
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## jsee23

Developed game: Qt
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## jsm174

Developed game: Visual Pinball
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## JTippetts

Developed game: Urho3D
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## Jtsessions

Developed game: Terasology
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## Juan Borda

Developed game: OGRE
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## Juan Dalmasso

Developed game: Argentum Online
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## Juan Irigoien

Developed game: Tux Paint
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## Juan J. Pérez

Developed game: Polis
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## Juan Linietsky

Developed game: Godot
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## Juan Martín Sotuyo Dodero

Developed game: Argentum Online
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## Juanky Soriano

Developed game: Zen!
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## Juanmz

Developed game: Argentum Online
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## Juergen Widmann

Developed game: FreeCol
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## jughu

Developed game: Space Station 13
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## Juha Henrikki Merikallio

Developed game: Planetary Hoppers
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Developed game: melonJS
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## Juhani Numminen

Developed games: Freeminer, Minetest, Pentobi
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## juj

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Developed game: pyRacerz
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## JuKu

Developed game: Ilarion
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## Jules Blok

Developed game: OpenXRay
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## Jules-A

Developed game: DeSmuME
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## Julia Nechaevskaya

Developed games: Chocolate Doom, DOOM Retro
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## Julia Pinheiro

Developed game: OpenRCT2
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## Julian

Developed games: AssaultCube, VDrift
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## Julian Bradfield

Developed game: Mah-Jong
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## Julian Groß

Developed game: Vircadia
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## Julian Murgia

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## Julian Oliver

Developed game: LevelHead
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## Julian Ospald

Developed game: Lix
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## Julian Paolo Thiry

Developed game: Lexica
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## Julian Smith

Developed game: FlightGear
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## Julian Smythe

Developed game: Allegro
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## Julian Uy

Developed games: Ren'Py, Simple DirectMedia Layer
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## julian.jimenez

Developed game: star-control2
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## Juliano Leal Goncalves

Developed game: DevilutionX
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Developed game: Hale
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## JulianThijssen

Developed games: glPortal, RadixEngine
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## Julien Cassignol

Developed game: VASSAL
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Developed game: Plee the Bear
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## Julien Nguyen

Developed game: FlightGear
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Developed game: jMonkeyEngine
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Developed game: ScummVM
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Developed game: FreeCol
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Developed game: libGDX
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Developed game: OpenMW
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Developed game: HaxePunk
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Developed game: BAB BE U
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Developed game: Godot
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## Jun Hyeon, Nam

Developed game: COCOS2D-X
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## Jun Kim

Developed game: Terasology
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## jundery

Developed game: Stockfish
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## June Rhodes

Developed game: MonoGame
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## Jungy

Developed game: Rails: an 18xx game system
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## Junji Takakura

Developed game: libGDX
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## Juozas

Developed game: Minetest
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## Juraj Michalek

Developed game: Atomic Tanks
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## Juraj Oravec

Developed games: glPortal, RadixEngine
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## Jure Repinc

Developed game: Thousand Parsec
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## Juriy Petrochenkov

Developed game: OpenTTD
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## jurkan

Developed game: Source of Tales
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## Jussi Lind

Developed game: Dust Racing 2D
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## Jussi Pakkanen

Developed game: Doom Legacy
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## Jussi Rautio

Developed game: Planetary Hoppers
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## Jussi Toivola

Developed game: pygame
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## JustAnotherGuid

Developed games: Devilution, DevilutionX
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## Justin

Developed games: Cataclysm: Dark Days Ahead, COCOS2D-X, MegaMek
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## Justin (Tuxinator) Davis

Developed game: Open RPG Maker
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## Justin Aquadro

Developed game: MonoGame
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## Justin Blanchard

Developed games: Naev, PyChess
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## Justin Bowen

Developed game: MegaMek
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Developed game: OpenFL
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## Justin Godesky

Developed game: XMage
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## Justin Gottula

Developed games: OpenLoco, OpenRCT2
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## Justin Hamilton

Developed game: libGDX
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## Justin Hawkwood

Developed game: COCOS2D-X
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## Justin Herlehy

Developed game: XMage
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## Justin Jacobs

Developed games: C-Dogs SDL, Flare, FreeBlocks
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## Justin Kelly

Developed game: JiGS Interactive Game System
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## Justin Love

Developed game: One Hour One Life
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## Justin Nicholson

Developed games: Naev, Nox Imperii
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## Justin Rissler

Developed games: ENIGMA (development environment), The Secret Chronicles of Dr. M.
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## Justin Shapcott

Developed game: libGDX
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## Justin Steele

Developed game: Daggerfall Unity
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## Justin Trotter

Developed game: unitystation
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## Justin Warwick

Developed game: Space Nerds In Space
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## Justin Yanke

Developed game: TrueCraft
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## Justo Delgado

Developed games: Godot, HaxeFlixel, OpenFL
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## Justus Tumacder

Developed game: osu!
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## Jute Gyte

Developed game: Blasphemer
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Developed game: PainTown
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## juvinious

Developed game: PainTown
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Developed game: RuneLite
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## jval1972

Developed games: GLSpeed, RAD
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## jvyden

Developed game: osu!
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## jwmelto

Developed game: BZFlag
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## jwvhewitt

Developed games: Dungeon Monkey Eternal, GearHead, GearHead 2
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## jyelon

Developed game: Panda3D
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## Jyrki Vesterinen

Developed game: The Battle for Wesnoth
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## Jz Pan

Developed game: Me and My Shadow
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## JZomDev

Developed game: RuneLite
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## JZomerlei

Developed game: RuneLite
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## Ján Jančár

Developed game: Godot
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## Jérôme

Developed game: jMonkeyEngine
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## Jérôme Arzel

Developed game: Q-Gears
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## Jérôme Bolot

Developed game: TecnoballZ
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## Jérôme GULLY

Developed game: Godot
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## Jérôme Gully

Developed game: Godot
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## Jérôme Leclercq

Developed game: Nazara Engine
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## Józef Kucia

Developed game: FreedroidRPG
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## Jörg Bornemann

Developed game: Qt
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## Jörg Oster

Developed game: Stockfish
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## Jørgen P. Tjernø

Developed games: CorsixTH, ges-code, GoldenEye: Source, Simple DirectMedia Layer
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## Jørn Lomax

Developed game: OpenRCT2
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## Jürgen Marquardt

Developed game: PLIB
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## Jüri Valdmann

Developed game: Qt
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## Jānis Legzdiņš

Developed game: Korax' Heritage
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## Jānis Rūcis

Developed game: Neverball
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## Jřrgen Vasshaug

Developed game: FreeCol
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