| Jeff Schiller | Developer | |
| Jeff Sember & Don Mattrick | Developer | |
| Jeff Sinasac | Developer | |
| Jeff Tunnell Productions | Developer | |
| JeffBert | Developer | |
| JeffPack | Developer | |
| JeffWeber | Developer | |
| Jeffdev | Developer | |
| Jeffrey Daniels (Denial) | Developer | |
| Jeffrey Fullerton | Developer | |
| Jeffrey Johnson | Developer | |
| Jeffrey R. Olson | Developer | |
| Jeffrey Smith | Developer | |
| Jeffrey T. Korringa | Developer | |
| Jeffry van der Goot | Developer | |
| Jeffu Warmouth | Developer | |
| Jefry Umanzor | Developer | |
| Jega | Developer | |
| Jegus9 | Developer | |
| Jekkey | Developer | |
| JelStudios | Developer | |
| Jelco | Developer | |
| JeliLiam | Developer | |
| Jelindo | Developer | |
| Jelinib | Developer | |
| Jelle Vermandere | Developer | |
| Jelle van Doorne | Developer | |
| Jellebones | Developer | |
| Jelleh | Developer | |
| Jelli Studios | Developer | |
| JelloDog13 | Developer | |
| JelloJoshie | Developer | |
| Jellonator | Developer | |
| Jelly | Developer | |
| Jelly Moon Games | Developer | |
| Jelly-ASF | Developer | |
| JellyDishes | Developer | |
| JellyPluie | Developer | |
| JellySandwich | Developer | |
| JellySticks | Developer | |
| JellyTeam | Developer | |
| JellyfishGames | Developer | |
| Jellyman92 | Developer | |
| Jellyvision | Developer | |
| Jellyvision Games | Developer | |
| Jelow | Developer | |
| Jeltsin_SH | Developer | |
| Jem Smith | Developer | |
| Jen | Developer | |
| Jen Simpkins | Developer | |
| Jen&Sis Productions | Developer | |
| Jenceslav | Developer | |
| Jenkings | Developer | |
| Jenna H | Developer | |
| Jenna Yow | Developer | |
| JenneMK | Developer | |
| JenniBee | Developer | |
| JenniNexus | Developer | |
| Jennifer Ann's Group | Developer | |
| Jennifer Kalkhoven | Developer | |
| Jennifer Raye | Developer | |
| Jennifer Reuter | Developer | |
| Jenny Schmidt | Developer | |
| Jens Bojaryn | Developer | |
| Jens Lelie | Developer | |
| Jens Steenmetz | Developer | |
| Jensen Verlaan | Developer | |
| Jepp | Developer | |
| Jeppe Carlsen | Developer | |
| Jera Game Studio | Developer | |
| Jerboa_44 | Developer | |
| Jerementor | Developer | |
| Jeremi247 | Developer | |
| Jeremiah George | Developer | |
| Jeremiah67 | Developer | |
| Jeremy | Developer | |
| Jeremy Anderson | Developer | |
| Jeremy Cavender | Developer | |
| Jeremy Griffith | Developer | |
| Jeremy Kuhn | Developer | |
| Jeremy Oduber | Developer | |
| Jeremy Perkins | Developer | |
| Jeremy Roberts | Developer | |
| Jeremy Smith | Developer | |
| Jeremy Thielen | Developer | |
| JeremyOssolaGD | Developer | |
| JeremyThePug | Developer | |
| Jerod Zimmer | Developer | |
| Jeroeno_Boy | Developer | |
| Jerom | Developer | |
| Jerome Bodin | Publisher | |
| Jerome Thisse | Developer | |
| Jeron Artest | Developer | |
| Jerry Verhoeven | Developer | |
| Jerry Vishnevsky | Developer | |
| Jersey | Developer | |
| Jesburger | Developer | |
| Jesmo | Developer | |
| Jesper | Developer | |
| Jesper Brun Halfter | Developer | |
| Jess | Developer | |
| Jess Andz | Developer | |
| Jess Cookston | Developer | |
| Jess Gates | Developer | |
| Jess Molloy | Developer | |
| Jess R.C. | Developer | |
| JessPak | Developer | |
| Jesse Freeman | Developer | |
| Jesse Hamm | Developer | |
| Jesse Kaw | Developer | |
| Jesse Makkonen | DeveloperPublisher | |
| Jesse Millar | Developer | |
| Jesse Zhang | Developer | |
| Jesse.Baker | Developer | |
| JesseAidyn | Developer | |
| JesseTheJesterR | Developer | |
| Jessevaanxd | Developer | |
| Jessica Cantlope | Developer | |
| Jessica M. | Developer | |
| Jessica Padkin | Developer | |
| Jessica Warren | Developer | |
| JessicaPiszczek | Developer | |
| Jessie Jones | Developer | |
| Jessymphony | Developer | |
| JestemStefan | Developer | |
| Jester Interactive | DeveloperPublisher | |
| Jester InteractiveEU | Publisher | |
| Jestercraft | Developer | |
| Jestersheepy | Developer | |
| JestyJam | Developer | |
| Jesus M. Montane | Developer | |
| Jesus Vicente Aranda | Developer | |
| JesusC | Developer | |
| Jesús González | Developer | |
| Jesús Martínez | Developer | |
| Jesús ~ JPezGames | Developer | |
| Jesúspinarte | Developer | |
| Jet Black Games | Developer | |
| Jet Drift Collective | Developer | |
| Jet Fist Games | Developer | |
| Jet Simon | Developer | |
| JetDogs | DeveloperPublisher | |
| JetWave | Developer | |
| Jether | Developer | |
| Jetman | DeveloperPublisher | |
| Jetro Lauha | Developer | |
| Jetsoft | Publisher | |
| Jett Lee | Developer | |
| JettNotJeff | Developer | |
| Jetwall | Developer | |
| Jetyl | Developer | |
| Jeuiop | Developer | |
| Jeutel | Publisher | |
| Jez Swanson | Developer | |
| Jezla | Developer | |
| Jforce | DeveloperPublisher | |
| JforthDesigns | Developer | |
| JfranMora | Developer | |
| Jhass | Developer | |
| Jhonathan_Utermohlen | Developer | |
| Jhone Marra | Developer | |
| Jhonxay | Developer | |
| Jhony Lucas | Developer | |
| Jhu | Developer | |
| Jiahui (Tino) Hu | Developer | |
| Jiayue Wu | Developer | |
| JibLee | Developer | |
| Jiblie | Developer | |
| JiexDrop | Developer | |
| Jig | Developer | |
| JigmeDatse | Developer | |
| JihadNinja | Developer | |
| Jijjy | Developer | |
| Jill Hoffman | Developer | |
| Jill Murray | Developer | |
| Jillian Maywhether | Developer | |
| Jim | Developer | |
| Jim Bagely | Developer | |
| Jim Baker and Fred Mayea | Developer | |
| Jim Blimey | Developer | |
| Jim Crowther | Developer | |
| Jim Garrett | Developer | |
| Jim Greg | Developer | |
| Jim Hall | Developer | |
| Jim Henson Interactive | Developer | |
| Jim Henson Interactive and Sony Computer Entertainment | Publisher | |
| Jim Henson's Creature Shop | Developer | |
| Jim Kinlough | Developer | |
| Jim Leedham | Developer | |
| Jim Lessels | Developer | |
| Jim Nangano | Developer | |
| Jim Nitchals | Developer | |
| Jim O'Brien | Developer | |
| Jim Radcliffe | Developer | |
| Jim Sanders | Developer | |
| Jim Scott | Developer | |
| Jim Simmons | Developer | |
| Jim Walls | Developer | |
| JimPemberton | Developer | |
| Jimakiad | Developer | |