| JanTuts | Developer | |
| Jan_rl | Developer | |
| Jana Games Studios | Developer | |
| Jana V. | Developer | |
| JanaChumi | Developer | |
| Janaprasanth | Developer | |
| JandDgames | Developer | |
| Jandre | Developer | |
| JanduSoft | DeveloperPublisher | |
| Jane disembiggen Ditchfield | Developer | |
| Jane Richardson | Developer | |
| Jane Titor | Developer | |
| Jane's Combat Simulations | DeveloperPublisher | |
| Jang Games | Developer | |
| Jangma | Developer | |
| JangoMango | Developer | |
| JangoUni | Developer | |
| Jangosan | Developer | |
| Jani Nykänen | Developer | |
| JaniToad | Developer | |
| Janine | Developer | |
| Janis | DeveloperPublisher | |
| Jank Hambrams | Developer | |
| Jankenteam | Developer | |
| JankyBread | Developer | |
| Jannik Boysen | Developer | |
| JanoGames | Developer | |
| Janos Biro | Developer | |
| Janz4400 | Developer | |
| Jaoel | Developer | |
| JapaSsou | Developer | |
| Japan Art Media | Developer | |
| Japan Art Media (JAM) | Developer | |
| Japan Clary Business | Publisher | |
| Japan Home Video | DeveloperPublisher | |
| Japan Media Programming | Developer | |
| Japan Studio | Developer | |
| Japan System House | Developer | |
| Japan System Supply | DeveloperPublisher | |
| Japan System SupplyJP | Publisher | |
| Japan Vistec | DeveloperPublisher | |
| Japanese Media Programming | Developer | |
| Japanese Softbank | Publisher | |
| JapaneseMEOW | Developer | |
| Japes610 | Developer | |
| Jappa | Developer | |
| Jappa Studios | Developer | |
| Jaqmarti | Developer | |
| Jarbaje | Developer | |
| Jardel Antunes | Developer | |
| Jared Derrett | Developer | |
| Jared Hahn | Developer | |
| Jared Slawski | Developer | |
| Jargonloster | Developer | |
| Jarhead Games | Developer | |
| Jari Karjala | DeveloperPublisher | |
| Jaristotle | Developer | |
| Jarod Pearce | Developer | |
| Jarory | Developer | |
| Jarrett Ang | Developer | |
| Jarrodmclagit | Developer | |
| Jartemio | Developer | |
| Jarwes | Developer | |
| Jarzzapan | Developer | |
| Jas C Brooke | Developer | |
| Jas X | Developer | |
| Jash Games | Developer | |
| Jaskowicz | Developer | |
| Jasmin Patry | Developer | |
| Jasmine Persephone | Developer | |
| Jason | Developer | |
| Jason Accardo | Developer | |
| Jason Aldred | Developer | |
| Jason Austin | Developer | |
| Jason Brashill | Developer | |
| Jason Cowling | Developer | |
| Jason Godbey | Developer | |
| Jason Holland | Developer | |
| Jason L | Developer | |
| Jason Lihou | Developer | |
| Jason M. Carey | Developer | |
| Jason Marciniak | Developer | |
| Jason Newman (Gojirra) | Developer | |
| Jason Oda | DeveloperPublisher | |
| Jason Pickering | Developer | |
| Jason Rohrer | Developer | |
| Jason Skillman | Developer | |
| Jason Truong | Developer | |
| JasonDavey | Developer | |
| JasonMacKeigan | Developer | |
| JasonTheGame | Developer | |
| JasonXXR | Developer | |
| Jasonario | Developer | |
| Jasonblox6 | Developer | |
| Jasonsumm | Developer | |
| JasoonMargoon | Developer | |
| Jasozz | Developer | |
| Jasper van Turnhout | Developer | |
| Jasper's hall of shame | Developer | |
| JasperDev | Developer | |
| Jaspers | Developer | |
| Jast | DeveloperPublisher | |
| Jastec | Developer | |
| Jatrick | Developer | |
| Jaume Altimira | Developer | |
| JaumeMercade | Developer | |
| JaumeMontagut | Developer | |
| Jaun | Developer | |
| JavaSaurus | Developer | |
| Javed_Wilde | Developer | |
| Javi400 | Developer | |
| JaviCoder | Developer | |
| JaviTalavera | Developer | |
| Javier Aragones | Developer | |
| Javier Arevalo Baeza | Developer | |
| Javier Cano Fuente | Developer | |
| Javier Cervera | Developer | |
| Javier Cubedo | Developer | |
| Javier Fafula | Developer | |
| Javier Salcedo | Developer | |
| Javier Sanchez Alcazar | Developer | |
| Javier Torres | Developer | |
| JavierFopiani | Developer | |
| Javir | Developer | |
| JavsGalego | Developer | |
| Javy Gwaltney | Developer | |
| Jawfish | Developer | |
| Jawx | Developer | |
| Jaxxette | Developer | |
| Jay | Developer | |
| Jay Bretherton | Developer | |
| Jay Elbourne | Developer | |
| Jay Grimalkind | Developer | |
| Jay Martin | Developer | |
| Jay Parnell | Developer | |
| Jay Sullivan | Developer | |
| Jay Tholen | Developer | |
| Jay X Townsend | Developer | |
| Jay Yabsley (Game Developer) | Developer | |
| Jay Zimmerman & Jim Nitchals | Developer | |
| JayBit Edition | Developer | |
| JayDude | Developer | |
| JayMehta 2006 | Developer | |
| JayOr | Developer | |
| JayProg | Developer | |
| JaySlex | Developer | |
| Jayanth L | Developer | |
| Jaybee | Developer | |
| Jaydenwolf117 | Developer | |
| Jaydeveloper | Developer | |
| Jaye Garrison Stuber Weston Wong | Developer | |
| Jayenkai | Developer | |
| Jayjay | Developer | |
| Jayjay-1992 | Developer | |
| Jaykingamez | Developer | |
| Jaylin Grierson | Developer | |
| Jayme | Developer | |
| Jayme Gr | Developer | |
| Jaymonius | Developer | |
| Jayometric | Developer | |
| Jayson Musson | Developer | |
| JaytleBee | Developer | |
| Jazlyn Dukes | Developer | |
| Jazz Cousins | Developer | |
| Jazz Software | Developer | |
| JazzaWil | Developer | |
| Jc Statt | Developer | |
| Jclermont | Developer | |
| JcupDavis | Developer | |
| JeTSpice Games | Developer | |
| Jean Dambrine | Developer | |
| Jean-Guy Lavallee | Developer | |
| Jean-Marc Studio | JMS | Developer | |
| Jean-Paul Gaboriau | Developer | |
| Jean-Pierre Chatenet | Developer | |
| Jean28518 | Developer | |
| JeanBmnn | Developer | |
| JeanLuc | Developer | |
| Jean_ClG | Developer | |
| Jeannunes0 | Developer | |
| Jeddy | Developer | |
| JeeTP | Developer | |
| Jeed | Developer | |
| Jeezer | Developer | |
| Jeferson Barros | Developer | |
| Jeff Ballinger | Developer | |
| Jeff Bogan | Developer | |
| Jeff Calder | Developer | |
| Jeff Campbell | Developer | |
| Jeff Chen | Developer | |
| Jeff Corsiglia & Chris King | Developer | |
| Jeff Fink | Developer | |
| Jeff Goldblum | Developer | |
| Jeff Harper | Developer | |
| Jeff Hendrix | Developer | |
| Jeff Johnson | Developer | |
| Jeff Mather | Developer | |
| Jeff McBride | Developer | |
| Jeff Minter | Developer | |
| Jeff O'Neill | Developer | |