| name | games | status | region | founded | closed | activity | |
|---|
| AIR Pocket Project |
3 | | | | | 2001/2002 | |
| Airline Software |
2 | | | | | 1987/1989 | |
| Airship Syndicate |
10 | | | | | 2016/2020 | |
| Airtight Games |
14 | | | | | 2010/2014 | |
| Aisystem Tokyo |
12 | | | | | 1988/1999 | |
| AJ Software |
4 | | | | | 1998/1998 | |
| AJTilley.com |
18 | dead | | | 2016 | 2015/2015 | Founder: A.J. Tilley Shut down due to complications and all IPs transferred with … |
| Akabei Soft |
5 | | | | | 2004/2010 | |
| Akadem |
2 | | | | | | |
| Akaoni Studio |
3 | | | | | 2010/2018 | |
| Akella |
127 | active | RU | 1995 | | 1995/2012 | Акелла Website: http://akella.com |
| Aki |
3 | active | JAP | 1998 | 2003 | 1997/2004 * | Founded in 1995. |
| Aki Corporation |
11 | | | | | 1996/2009 | |
| Aksys Games |
117 | active | US | 2006 | | 2007/2023 | Aksys Games Localization, Inc. Founder: Akibo Shieh HQ: Torrance, California … |
| Akupara Games |
28 | active | US | 2016 | | 2017/2024 | Founded by David Logan |
| Aladdin Automation |
1 | | US | | | 1979/1979 | |
| Alalamiah |
2 | | | | | 1988/1988 | |
| Alawar Entertainment |
25 | | US | | | 2000/2021 | |
| Alba |
5 | | JAP | 1985 | | 1985/1995 | |
| Alca Electronics |
1 | dead | UK | 1969 | | 1978/1978 | British company that began its origins around Mayfield, another predecessor company … |
| Alcachofa Soft |
7 | | | | | 1996/2008 | |
| Alchemist |
42 | dead | JP | 1991 | 2016 | 1999/2015 | |
| Aldora Games |
5 | | | | | 2023/2024 | |
| Aldorlea Games |
6 | | | | | 2008/2014 | |
| Alexandria |
3 | | | | | 1994/1995 | |
| Alfa System |
57 | active | JP | 1988 | | 1988/2011 | |
| ALICE IN DISSONANCE |
5 | | | | | 2013/2018 | |
| Alice Soft |
149 | active | JP | 1989 | | 1989/2011 | Eroge publisher who started out from PC-88 and PC-98 platforms and later moving … |
| Alien Software |
3 | | | | | 1996/1999 | |
| Alientrap Games |
18 | active | CA | | | 2005/2017 | Jesse McGibney and Lee Vermeulen Website: http://www.alientrap.org |
| Alive Mediasoft |
10 | | | | | 1995/1999 | |
| Alive Software |
12 | | | | | 1988/1996 | |
| All American Adventures |
2 | | | | | 1982/1983 | |
| All-Time |
5 | | | | | 2009/2012 | |
| Allex |
5 | | | | | 1994/1994 | |
| Allied Leisure |
42 | dead | US | 1969 | 1985 | 1972/1984 | Centuri, formerly known as Allied Leisure, was an American arcade game manufacturer … |
| Alligata |
115 | dead | UK | 1983 | 1987 | 1982/1989 * | Sub-Label: Budgie |
| Allumer |
5 | | JAP | 1991 | | 1991/1996 | |
| Almanic |
5 | | | | | 1990/1994 | |
| Almathera |
2 | | | | | 1993/1994 | |
| Almost Human Games |
7 | | | | | 2012/2015 | |
| Alpha |
4 | | | | | 1982/1998 | |
| Alpha Denshi |
57 | dead | JP | 1980 | 2003 | 1981/2013 | Arcade games developer. Renamed in 1993 into ADK. Most known for developing Neo- … |
| Alpha Omega |
40 | name changed | UK | 1984 | 1988 | 1983/1990 * | Computer games publisher/developer. Budget-Label of CRL. Changed their name to & … |
| Alpha Software |
39 | | | | | 1983/1998 | |
| Alpha Unit |
13 | active | JP | | | 1999/2009 | Native name: アルファユニット |
| Alphabatim |
2 | | | | | 1985/1985 | |
| AlphaDream |
13 | dead | JP | 2000 | 2019 | 2001/2018 | Japanese video game development company founded in 2000 by Tetsuo Mizuno in Tokyo … |
| AlphaOmegaDuplicate |
8 | | | | | 1986/1987 | |
| Alpine Studios |
12 | | | | | 1992/2012 | |
