| name | games | status | region | founded | closed | activity | |
|---|
| J-Force |
3 | | | | | 1994/1995 | |
| J-Wing |
46 | | JP | | | 1994/2003 | |
| J. Keyne |
1 | | | | | 1983/1983 | |
| J. Morrison Micros |
13 | | | | | 1982/1984 | |
| J.K. Greye Software |
6 | dead | UK | 1981 | 1983 | 1982/1983 | |
| J&S Software |
2 | | | | | 1983/1983 | |
| Jacaranda Software |
18 | dead | AU | | | 1984/1992 | |
| Jack of All Games |
5 | | | | | 1998/2007 | |
| Jackbox Games |
25 | active | US | 2013 | | 2014/2023 | |
| Jadestone |
2 | active | SE | 2002 | | 2005/2009 | Jadestone is a game development company founded in 2002 with headquarters in Stockholm … |
| Jagex Group |
2 | active | US | | | 2012/2012 | Fusion of Jagex Games Studio, tinyGIANT Games and SoCa Studios. Website: http … |
| Jagex |
9 | active | UK | 2001 | | 2001/2021 | Jagex Ltd. HQ: Cambridge, UK Founders: Andrew Gower, Paul Gower, Constant Tedder … |
| Jaguar Software |
1 | dead | UK | 1993 | 1994 | 1994/1994 | |
| Jagware |
3 | dead | US | 1987 | 1987 | 1987/1987 | |
| Jakyl |
3 | | | | | | |
| Jaleco USA |
9 | dead | US | 1987 | 2002 | 1985/1993 * | U.S. arm and subsidiary of Jaleco. Was merged with " VR-1 Entertainment" … |
| Jaleco |
305 | dead | JP | 1974 | 2014 | 1982/2010 | Subsidiary: Jaleco USA History: Jaleco Ltd. was founded as Japan Leisure Corporation … |
| JAM Productions |
4 | dead | US | 1993 | 1994 | 1993/2014 | JAM Productions was started by Jim Row and Mike Maynard (JAM representing " … |
| JAMDAT Mobile |
2 | | | | | 2004/2005 | |
| James Software |
14 | | UK | | | 1984/1987 | |
| James Wickstead Design Associates |
10 | dead | US | 1982 | 1983 | 1982/1985 | |
| Jamie |
| active | | | | | |
| Jandusoft |
27 | | | | | 2017/2023 | |
| Jane's Combat Simulations |
16 | | | 1995 | | 1996/2000 | |
| Janis |
46 | | | | | 1993/2009 | |
| Jankenteam |
2 | | | | | 2021/2021 | |
| Japan Art Media |
17 | | | | | 1990/2007 | |
| Japan DataWorks |
2 | dead | JP | 1992 | | 1994/1994 | |
| Japan Home Video |
2 | | | | | 1994/1994 | |
| Japan Ordinary Church |
2 | | JP | | | 1992/1994 | Doujin group. |
| Japan Studio |
183 | dead | JP | 1993 | 2021 | 1994/2020 | Japan Studio frequently assisted on development for many PlayStation games. In … |
| Japan System Supply |
7 | bought | JP | 1985 | | 1991/1998 | Japan System Supply Ltd. (日本システムサプライ株式会社) was an Osaka … |
| Jast |
50 | | | | | 1985/2016 | |
| Jast USA |
13 | | USA | | | 1996/2010 | |
| Jawx |
14 | | | | | 1984/1988 | |
| Jaya Soft Vision |
2 | | TH | | | 2004/2005 | http://www.jaya.co.th |
| Jaysoft |
3 | | UK | | | 1983/1993 | |
| JBF Software |
1 | dead | UK | 1989 | 1989 | 1989/1989 | |
| JC Research |
4 | | | | | 1996/1999 | |
| JE Software |
1 | | SE | | | | |
| Jeff Tunnell Productions |
6 | nomoregames | US | 1992 | | 1992/1994 | Jeff Tunnell Productions is a one-man casual/children's game developer founded … |
| Jega Software |
1 | dead | UK | 1982 | 1982 | 1982/1982 | |
| Jellyvision |
24 | active | US | 1989 | | 1995/2011 | Founded by Harry Gottlieb in 1989, a video game development company since 1995. |
| Jester Interactive |
7 | | | | | 2001/2005 | |
| Jet Black Games |
2 | | | | | 2009/2010 | |
| Jetdogs Studios |
28 | | | | | 2006/2023 | |
| Jetsoft |
5 | | | | | 1983/1984 | |
| JGI Entertainment |
3 | | | | | 2006/2007 | |
| JHC Software |
2 | | | | | 1997/1998 | |
| Jirbo |
12 | | | | | 2008/2008 | |
