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

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Jim Armstrong

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Jim Cameron

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Jim Cotugno

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Jim Duchek

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Jim Gilloghy

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Jim Huang

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Jim Schultz

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Joan Queralt Molina

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Joe

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Joe "Flame" Sullivan

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Joe Doyle

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Joe Flint

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Joe Forte

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Joe Hansen

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Joe Ludwig

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Joe Lyon

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Joe Shochet

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Joe Stringer

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Joe Venzon

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Joe Wells

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Joe Williamson

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JoeClacks

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Joel Bouchard Lamontagne

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Joel Davis

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Joel Graff

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Joerg Kirchhoff

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Joey L. Maalouf

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Johannes Brandt Nielsen

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Johannes Doerfert

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Johannes Maier

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Developed games: COCOS2D-X, CrossUO, Red Eclipse, VASSAL, XMage

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John _Scott_ Tillman

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John Bolton

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John C Barstow

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John C. Allwein

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John Candlebury

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John Cheetham

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John Cordell

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John Cote

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John D. Corrado

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John D. Dilley

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John Davis

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John Dean

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John Dullea

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John Duquette

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John Eikenberry

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John Ericson

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John F. Fay

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John Gilbert

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John Gray

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John Layt

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John Lyon-Smith

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John Nesky

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Organization: Game Creation Society

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John Popplewell

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John R. Sheets

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John Rowat

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John S.

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John Skoteiniotis

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John Smith

Developed game: Daimonin

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John Stahara

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John Stilley

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John Strömblom

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John Thickstun

Developed game: FIFE

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John Turner

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John Törnblom

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John Watson

Developed game: Phaser

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John Wigg

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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

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John-Paul Gignac

Developed game: Pathological

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John-Paul Treen

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Johnathan James

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johnny8020

Developed game: Open Tibia

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johnrdconnolly

Developed game: Cataclysm: Dark Days Ahead

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johnreactor

Developed games: Etterna, StepMania

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jojo

Developed game: Red Eclipse

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jokermatt999

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Developed game: VASSAL

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Jon Knapp

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Jon Lund Steffensen

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Jon Parise

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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

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Jon Watte

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Jonah Jeleniewski

Developed game: Phaser

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JonahDes

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Developed game: Heroes of Wesnoth

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Developed game: Godot

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Jonas A. Lind

Developed game: OpenRA

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Jonas Byström

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Jonas Eschenburg

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Jonas Jelten

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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

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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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Josef Moudrik

Developed game: Pachi

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Joseph Baffaro

Developed game: Betrayer's Moon Tactics

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Joseph Bleau

Developed game: Flare

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Joseph Botosh

Developed game: Necklace of the Eye

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Joseph Davies

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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Joseph Pecoraro

Developed game: ezQuake

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Joseph Tilley

Developed game: VASSAL

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Joseph Tyx

Developed game: MegaMek

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Joseph Wang

Developed game: Race Into Space

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Joseph Zeffiro

Developed game: XMage

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Joseph-Eugene Winzer

Developed game: ScummVM

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joseph-healy

Developed game: Terasology

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Joseph-Ramos-CMU

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

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JustAnotherGuid

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Józef Kucia

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Jörg Bornemann

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Jørgen P. Tjernø

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Jørn Lomax

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Jānis Legzdiņš

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