| 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 | |
| Jimbles | Developer | |
| Jimmy Cushnie | Developer | |
| Jimmy Huey | Developer | |
| Jimmy Parr | Developer | |
| Jimmy Studio | Developer | |
| Jimmy Vegas Game Studios | Developer | |
| JimmyC | Developer | |
| JimmyJYT | Developer | |
| Jimothy Cardotha | Developer | |
| Jimp | Developer | |
| Jin-Young Sohn | Developer | |
| Jin9310 | Developer | |
| Jinconic | Developer | |
| Jingcheng_Yang | Developer | |
| JingleJosh | Developer | |
| Jingleriot | Developer | |
| Jingyi | Developer | |
| Jinneon | Developer | |
| Jintarm | Developer | |
| Jinx | DeveloperPublisher | |
| JinxItGames | Developer | |
| JinxTheCupcake | Developer | |
| Jinyue Pang | Developer | |
| Jip de Kip | Developer | |
| Jip van der Spoel | Developer | |
| Jiri Hysek | Developer | |
| JiroGames | Developer | |
| Jirushi | Developer | |
| JisanKim | Developer | |
| Jishenaz | Developer | |
| JiuJitsuGameDev | Developer | |
| Jivapeira | Developer | |
| Jixashauser | Developer | |
| Jjagg | Developer | |
| Jkingy | Developer | |
| Jlot | Developer | |
| Jmaa | Developer | |
| Jmathieu3289 | Developer | |
| Jnat | Developer | |
| JnrBrain | Developer | |
| Jo-Mei Games | Developer | |
| Jo-Sword | Developer | |
| JoJoNoid | Developer | |
| JoReid | Developer | |
| JoSilver | Developer | |
| JoWooD | DeveloperPublisher | |
| JoWooD Entertainment | DeveloperPublisher | |
| JoWooD Entertainment AG | Publisher | |
| JoWooD Productions | DeveloperPublisher | |
| JoWooD Productions (EU) | Publisher | |