| name | games | status | region | founded | closed | activity | |
|---|
| Power & Magic |
2 | | | | | 2003/2005 | |
| Power Soft |
9 | | | | | 1985/1985 | |
| Power Software |
2 | | | | | 1984/1984 | |
| PowerHead Games |
14 | | | | | 2000/2010 | |
| Powerhouse Games |
5 | | | | | 2008/2008 | |
| PowerMob |
1 | | IT | | | | |
| Powersoft |
15 | | US | | | 1977/1995 | |
| Powwow |
2 | | | | | 1993/1994 | |
| PPC |
1 | | PL | | | 2013/2013 | |
| PQube |
61 | active | US | 2009 | | 2009/2024 | |
| Practical Computing |
6 | | | | | 1982/1984 | |
| Precision Games |
2 | | | | | 1986/1987 | |
| Presage |
14 | | | | | 1992/1998 | |
| Pressimage |
9 | | | | | 1986/1988 | |
| PressOK Entertainment |
5 | | | | | 2009/2010 | |
| Prestige |
6 | | | | | 1992/1994 | |
| Presto Studios |
22 | dead | US | 1991 | 2002 | 1992/2014 | |
| Pretzelland Software |
3 | | | | | 1982/1982 | |
| Prima |
4 | | | | | 2001/2006 | |
| Primal Software |
4 | active | RU | 1998 | | 2002/2007 | Formerly: SBG Co. Ltd. http://www.primal-soft.com/ |
| PrimeBit Games |
5 | | | | | 2018/2021 | |
| Princess Soft |
43 | | | | | 2001/2009 | |
| PrincessJulietOfficial |
1 | | RO | | | | |
| Priority Interrupt |
4 | | | | | 2012/2018 | |
| Prism Arts |
3 | | | | | 1996/2000 | |
| Prism Leisure |
37 | active | UK | 1980 | | 1982/1999 | Founded in 1980 as "Geoff's Records", then renamed to Prism Leisure … |
| Private Moon Studios |
8 | | | | | 2003/2015 | |
| Pro Games |
1 | dead | US | 1973 | 1976 | 1973/1973 | Company born in the PONG boom. Investigating, we discovered that he produced, not … |
| Probe 2000 |
5 | | | | | 1983/1983 | |
| Probe Software |
265 | dead | UK | 1984 | 2004 | 1984/2018 | Probe Software (later Probe Entertainment, and ultimately Acclaim Cheltenham) was … |
| Processor |
4 | | | | | 1983/1983 | |
| Processor Technology Corporation |
6 | dead | US | 1975 | 1979 | 1977/1978 | Processor Technology Corporation was a personal computer company founded in April … |
| Procom Software |
2 | | | | | 1983/1983 | |
| Produce |
9 | | | | | 1991/2000 | |
| Produce! |
4 | dead | JP | 1990 | 2015 | 1992/1999 | Produce Co., Ltd. was a Japanese video game company. Founded on April 6, 1990 by … |
| Production I.G. |
4 | | | | | 2000/2006 | |
| Proein Soft Line |
26 | | ES | | | 1984/1990 | |
| Profire |
1 | | | | | 1996/1996 | |
| Profisoft |
5 | | | | | 1983/1984 | |
| Program Techniques |
2 | | | | | 1985/1986 | |
| Programma International |
63 | dead | US | late | 1983 | 1977/1981 * | Programma International was one of the first personal computer software publishers … |
| Programmers-3 |
3 | | | | | 1982/1984 | |
| Progress Software |
10 | | | | | 1992/2002 | |
| Progressive Media |
3 | | | | | 2003/2010 | |
| Progressive Software |
4 | | US | | | 1980/1991 | |
| Project 2 |
4 | | | | | 1998/1999 | |
| Project Aces |
6 | | JP | | | 2008/2017 | |
| Project Soul |
5 | | | | | 2008/2012 | |
| Project Support |
12 | dead | US | 1972 | 1980 | 1974/1978 | |
| Project Three Interactive |
2 | | | | | 2005/2005 | |
