| name | games | status | region | founded | closed | activity | |
|---|
| GPRES |
1 | dead | JP | 2003 | 2005 | 2003/2003 | Also called Game Programming Resources and Stuff Organisation, Game Programming … |
| Graphic Research |
17 | dead | JP | 1982 | 2005 | 1988/2002 | |
| Grasshopper Manufacture |
29 | | JP | | | 2001/2021 | |
| Graviton |
1 | dead | JP | | | 2005/2005 | Website: http://www.graviton.ne.jp (archive.org backup from 2005-03) |
| Grezzo |
7 | active | JP | 2006 | | 2010/2019 | |
| Gspot |
12 | | JP | | | 2007/2010 | |
| Guilty |
26 | active | JP | | | 1998/2010 | Website: http://www.guilty-soft.com |
| Guilty+ |
1 | active | JP | | | 2008/2008 | Subdivision(?) of Guilty Website: http://www.guilty-soft.com/plus |
| GungHo |
7 | active | JP | 1998 | | 2001/2013 | |
| Gust |
81 | dead | JP | 1993 | 2014 | 1994/2021 | Gust Co. Ltd. was founded in 1993, originally developing games for PCs. They released … |
| h.a.n.d. |
11 | active | JP | 1993 | | 2006/2013 | |
| HAL Laboratory |
149 | active | JP | 1980 | | 1981/2023 | Native: ハル研究所 Website: http://www.hallab.co.jp |
| Hard |
51 | dead | JP | | | 1986/1995 | |
| Hect |
56 | dead | JP | 1988 | 2002 | 1985/2000 * | |
| Hi-Score Media Work |
3 | dead | JP | 1986 | 1990 | 1987/1989 | |
| HID Visco Games |
1 | dead | JP | 1974 | 1994 | 1974/1974 | The source of its existence appears in the ARCADE museum, as well as in a book titled … |
| Hikware |
7 | nomoregames | JP | | | 1996/2007 | Not a real company but a fictional one used by Hikoza T. Ohkubo. Website: http … |
| Hina Soft |
6 | active | JP | | | 2008/2011 | Website: http://www.hina-soft.com |
| Home Data |
29 | name changed | JP | 1983 | 1993 | 1985/1994 | |
| Hot-B |
82 | | JP | 1983 | 1995 | 1984/2007 | |
| Hudson Soft |
678 | dead | JP | 1973 | 2012 | 1982/2012 | Subsidiaries: * Hudson Entertainment (2003-) * Hudson Soft USA (1988-1995) |
| Human |
143 | active | JP | 1983 | 1999 | 1986/2000 | Human Entertainment, Inc. was a developer that also ran a videogame design school … |
| Hummingbird Soft |
26 | dead | JP | 1982 | | 1983/1995 | |
| HummingBirdSoft |
21 | bought | JP | 1982 | 2013 | 1983/2016 | Since March 2013, D4 Enterprise has acquired intellectual property rights in game … |
| HuneX |
60 | active | JP | 1992 | | 1994/2016 | |
| HyperDevbox Studio |
3 | | JP | | | 2011/2013 | |
| I.Magic |
2 | | JP | | | 1998/2003 | |
| I.S.C. |
4 | | JP | | | 1991/1993 | To not be confounded with ISC |
| I'MAX |
6 | | JP | | | 1990/1997 | |
| i4 |
4 | | JP | | | 1998/2004 | |
| Idea Factory |
207 | active | JP | 1996 | | 1996/2023 | |
| Ignition |
79 | | JP | 2004 | | 2002/2012 * | |
| Ikegami Tsushinki |
1 | active | JP | 1946 | | 1985/1985 | Ikegami Tsushinki Co., Ltd. (池上通信機株式会社) is a Japanese manufacturer … |
| IlluCalab |
2 | | JP | | | 2016/2018 | |
| Illusion |
48 | active | JP | | | 1986/2014 | |
| imageepoch |
14 | active | JP | 2005 | | 2007/2015 | imageepoch Inc. イメージエポック sometimes misspelled as Image Epoch … |
| Imagineer |
226 | active | JP | 1986 | | 1986/2019 | |
| Indies Zero |
9 | active | JP | 1997 | | 2005/2018 | |
| Infinity |
10 | active | JP | 1986 | | 1986/2020 | |
| Information Global Service |
19 | dead | JP | | | 1989/1993 | |
| Intec |
10 | | JP | 1989 | 1993 | 1989/1995 | |
| Intelligent Systems |
85 | active | JP | 1983 | | 1983/2023 | |
| Inter State |
9 | dead | JP | 1985 | 1993 | 1982/1993 * | Home development division of Kaneko. |
| Interlink |
6 | | JP | | | 1988/1990 | |
| Inti Creates |
55 | active | JP | 1996 | | 1998/2024 | |
| IO Disk Service |
11 | | JP | | | 1986/1988 | |
| Irem |
207 | | JP | 1974 | 2010 | 1978/2011 | Irem has largely abandoned in the 2010s the development of console video games in … |
| ISCO |
13 | nomoregames | JP | 1987 | | 1986/2000 * | |
| ITL |
13 | active | JP | 1986 | | 1989/2018 | |
| J-Wing |
46 | | JP | | | 1994/2003 | |
