| title | developer | year | platform | | pop. |
|---|
| A Steroid | Visual Computing Group | ? | Linux | shooter | | subject | label | |
| ABC Star | ? | ? | ABC 80 | strategy Science Fiction | | | label | |
| Accelerator | Curtis Jacob Software Design | 1984 | ZX Spectrum | shooter Science Fiction | image | | label | |
| ACE 2088 | Cascade Games | 1988 | C64 | shooter flight Science Fiction | image | | label | |
| ACE 2088 | Cascade Games | 1989 | ZX Spectrum | shooter flight Science Fiction | image | | label | |
| Aces of the Galaxy | Artech Studios | 2008 | Windows | shooter Science Fiction | | | label | |
| Aces of the Galaxy | Artech Studios | 2008 | X360 | shooter Science Fiction | image | | label | |
| Ad Astra | Gargoyle Games | 1984 | ZX Spectrum | shooter Science Fiction | image | | label | |
| Adanaxis | Mushware | 2002 | Linux | shooter simulation flight Science Fiction | image | subject | label | |
| Adanaxis | Mushware | 2005 | Mac OS X | shooter simulation flight Science Fiction | | | label | |
| Adanaxis | Mushware | 2005 | Windows | shooter simulation flight Science Fiction | image | | label | |
| Aeon Command | Bat Country Games | 2013 | Linux | strategy | | | label | |
| Aeon Command | Bat Country Games | 2012 | Mac OS X | strategy | | | label | |
| Aeon Command | Bat Country Games | 2012 | Windows | strategy | image | | label | |
| Aeon Command | Bat Country Games | 2013 | Android | strategy | | | label | |
| Aeon Command | Bat Country Games | 2013 | iOS | strategy | | | label | |
| Agendaroids | New Breed Software | 2001 | Linux | platformer Science Fiction | image | subject | label | |
| Agendaroids | New Breed Software | ? | Zaurus | platformer Science Fiction | | | label | |
| AI War: Fleet Command | Arcen Games | 2009 | Windows | strategy Science Fiction | image | | label | |
| AI War: Fleet Command | Arcen Games | 2014 | Linux | strategy Science Fiction | | | label | |
| Alco Invaders | India Game Studio | 2014 | Linux | shooter Science Fiction | | | label | |
| Alien Attack | Solar Software | 1985 | C16/Plus4 | shooter Science Fiction | image | | label | |
| Alien Dominion: The Acronian Encounter | Black Fire Games | 2010 | Windows | shooter Science Fiction | image | subject | label | |
| Alien Pool | author | ? | Linux | action/reflex Science Fiction | image | subject | label | |
| Alien Rain | Starcraft | 1980 | Apple II E | shooter Science Fiction | image | | label | |
| Alkahera | Rino Marketing | 1985 | Amstrad CPC | shooter Science Fiction | image | | label | |
| All cast Star Trek | Compac | 1982 | NEC PC8801 | strategy Science Fiction | image | | label | |
| Allegiance | Microsoft Research | 2000 | Windows | action/reflex simulation Science Fiction | image | subject | label | |
| Alpha Omega Run | Nanosec Corporation | 1984 | C64 | shooter flight Science Fiction | image | | label | |
| Alpha Squadron | AG Corp. | 1984 | MSX | shooter flight Science Fiction | image | | label | |
| Altair Star Trek | altair | 2002 | Apple II E | strategy Science Fiction | | | label | |
| AMANAGI | rage | 2001 | Windows | shooter Science Fiction | image | | label | |
| Ambush | Arfyc | 1983 | Arcade | shooter Science Fiction | image | subject | label | |
| Among Seas of Dust | masternerdguy | 2010 | Linux | simulation role-play | | | label | |
| Analogic | Magnavox | 1972 | Odyssey | trivia/quiz | image | subject | label | |
| Analogue: A Hate Story | lily of the valley games | 2012 | Linux | adventure Science Fiction | | | label | |
| Ancient Space | CreativeForge Games | 2014 | Windows | strategy Science Fiction | image | | label | |
| Angels Fall First | Strangely Interactive | 2015 | Windows | action/reflex strategy Science Fiction | image | | label | |
| Another Castle | author | 2013 | Linux | platformer role-play | | | label | |
| Apollo 18: Mission to the Moon | Artech Digital Productions | 1987 | C64 | simulation | image | | label | |
| Apollo 18: Mission to the Moon | Ted Gruber Software | 1988 | MS-DOS | simulation | image | | label | |
| Apollo Mission Simulator | author | 1987 | MS-DOS | simulation | image | | label | |
| Apple Games | Sams Software | 1984 | Apple II E | shooter simulation board game casino/cards edutainment puzzle Science Fiction | | | label | |
| Apple II Trek | Apple | 1979 | Apple II E | strategy Science Fiction | image | | label | |
| Apple Trek | Apple | 1976 | Apple I | strategy Science Fiction | image | | label | |
| Apple Zap | Sierra On-Line | 1982 | Apple II E | shooter Science Fiction | | | label | |
| Arcade Classics | Firebird | 1987 | C64 | action/reflex shooter Science Fiction | image | | label | |
| Arcadia | Imagine | 1982 | VIC-20 | shooter Science Fiction | image | | label | |
| Are We Alone | author | 2011 | Linux | simulation Science Fiction | | | label | |
| Aries | Stainless Software | 1984 | TI99 | shooter | | | label | |
| Armada 2526 | Ntronium Games | 2009 | Windows | strategy turn-based Science Fiction | image | subject | label | |
| Armada 2526: Supernova | Ntronium Games | 2011 | Windows | strategy turn-based Science Fiction | image | subject | label | |
| Arvoch Conflict | StarWraith 3D Games | 2006 | Windows | shooter simulation flight Science Fiction | | | label | |
| ASA: A Space Adventure | Simon Says: Watch! Play! | 2016 | Linux | adventure Science Fiction | | | label | |
| Ascendancy | The Logic Factory | 1995 | MS-DOS | strategy turn-based Science Fiction | image | | label | |
| Ascendancy | The Logic Factory | 2011 | iOS | strategy turn-based Science Fiction | | | label | |
| Ascii Sector | Laserbrain Studios | 2007 | Linux | | | subject | label | |
| Assault Suit Leynos | Dracue Software | 2016 | Windows | platformer shooter Science Fiction | image | subject | label | |
| Assault Suit Leynos | Dracue Software | 2016 | PS4 | platformer shooter Science Fiction | image | subject | label | |
| Astebreed | Edelweiss | 2014 | Windows | shooter Manga | image | | label | |
| Asterax | Arvandor Software | 1994 | Mac OS Classic | shooter Science Fiction | | | label | |
| Asteroid | Midway | 1973 | Arcade | action/reflex simulation racing/driving | image | subject | label | |
| Asteroid Attack | author | 2001 | Windows | shooter Science Fiction | image | | label | |
| Asteroid Miners | MMG Micro Software | 1982 | Atari 400/800 | action/reflex Science Fiction | image | | label | |
| Asteroid Pilot | author | 1982 | MS-DOS | action/reflex Science Fiction | image | | label | |
| Asteroids | The Code Monkeys | 1992 | GB | shooter | image | subject | label | |
| Asteroids | Activision | 1998 | Windows | shooter | | | label | |
| Asteroids | Atari | 1982 | Atari 5200 | shooter Science Fiction | image | subject | label | |
| Asteroids | Bo Frank | 2003 | Flash | shooter Science Fiction | image | | label | |
| Asteroids | Atari | 1981 | Atari 400/800 | shooter Science Fiction | image | | label | |
| Asteroids | Syrox Developments | 1999 | GBC | shooter | image | | label | |
| Asteroids | Neuon | ? | Epoc | shooter Science Fiction | | | label | |
| Asteroids | Acornsoft | 1980 | Atom | shooter Science Fiction | image | | label | |
| Asteroids | author | 2010 | Linux | action/reflex shooter Science Fiction | | | label | |
| Asteroids | GCC | 1984 | Atari 7800 | shooter Science Fiction | image | subject | label | |
| Asteroids | Atari | 1981 | Atari 2600 | shooter Science Fiction | image | subject | label | |
| Asteroids | Syrox | 1998 | PS | shooter Science Fiction | image | subject | label | |
| Asteroids | Bug-Byte | 1983 | VIC-20 | shooter Science Fiction | image | | label | |
| Asteroids | Atari | 1979 | Arcade | shooter Science Fiction | image | subject | label | |
| Asteroids &DeLUXE | Stainless Games | 2007 | X360 | shooter | image | | label | |
| Asteroids 64 | Markt & Technik | 1987 | C64 | shooter Science Fiction | image | | label | |
| Asteroids Deluxe | Atari | 1980 | Arcade | shooter Science Fiction | image | subject | label | |
| Asteroids Deluxe | Paradox | 1987 | Atari ST | shooter Science Fiction | image | | label | |
| Asteroids Deluxe | Atarisoft | 1984 | BBC | shooter Science Fiction | image | | label | |
| Asteroids Deluxe | Atari | 2005 | Atari 2600 | shooter | | | label | |
| Asteroids Deluxe | author | 2007 | Atari 7800 | shooter Science Fiction | | | label | |
| Asteroids Emulator | author | ? | Arcade | shooter Science Fiction | | | label | |
| Asteroids for Hercules | author | 1988 | MS-DOS | shooter Science Fiction | image | | label | |
| Asteroids Hyper 64 | Syrox | 1999 | N64 | shooter | image | subject | label | |
| Astro Chase | Exidy | 1984 | Arcade | shooter Science Fiction | image | | label | |
| Astro Chase | First Star Software | 1982 | Atari 400/800 | shooter Science Fiction | image | | label | |
| Astro Chase | Parker Brothers | 1983 | Atari 2600 | shooter Science Fiction | image | | label | |
| Astro Chase | First Star Software | 1983 | Atari 5200 | shooter Science Fiction | image | subject | label | |
| Astro Dodge | Alpha Software | 1986 | C64 | action/reflex Science Fiction | image | | label | |
| Astro Empires | Cybertopia Studios | ? | Linux | simulation manag./econ. Science Fiction | | | label | |
| Astro Plumber | Blue Ribbon | 1985 | MSX | action/reflex Science Fiction | image | | label | |
| Astro Race | Taito | 1973 | Arcade | racing/driving | image | subject | label | |
| Astro-Boulders | ? | ? | Olivetti M20 | shooter Science Fiction | | | label | |
| Astro-roids | author | 1982 | Xerox Alto | shooter Science Fiction | image | | label | |
| AstroBlaster | author | 2014 | Atari 7800 | shooter Science Fiction | | | label | |
| Astrocks | ? | ? | Epoc | shooter | image | subject | label | |
| Astrododge | Revival Studios | 2011 | G7400 | action/reflex Science Fiction | | | label | |
| ASTROKILL | Doomsday Games | 2017 | Linux | shooter | | | label | |
| Astrorocks | ? | ? | BeOS | shooter Science Fiction | | | label | |
| Atari Vault | Code Mystics | 2016 | Linux | action/reflex maze platformer shooter flight racing/driving strategy board game | image | | label | |
| Atmoids | author | 1990 | Win3.1 | shooter Science Fiction | image | | label | |
| Atom Heart | Mo Dernart | 2018 | C64 | shooter Science Fiction | image | subject | label | |
| Attack of the Zargons | ? | 198x | MicroBee | action/reflex | image | | label | |
| AubirdForce | Bandai | 1996 | PS | strategy turn-based Science Fiction | image | | label | |
| AubirdForce After | Bandai | 1998 | PS | simulation strategy turn-based Science Fiction | image | | label | |
| Awesome | Reflections | 1990 | Amiga | shooter Science Fiction | image | subject | label | |
| Awesome | Reflections | 1991 | Atari ST | shooter Science Fiction | image | | label | |
| Awesome | Fujitsu | 1992 | FM Towns | shooter Science Fiction | image | | label | |
| Axia | Wildcard Design | 1998 | BeOS | shooter Science Fiction | image | subject | label | |
| Axia | Dungeon Dwellers Design | 1998 | MS-DOS | shooter | | | label | |
| Axis of Evil Invaders | author | ? | Linux | shooter Science Fiction | | subject | label | |
