| Artelius | No Alternate Title | Nihon Bussan | 13 November 1987 | Action > Shooter | NES | N | N | Y | N |
| Asder 20-in-1 | No Alternate Title | Asder | 1993 | Other | NES | N | N | N | Y |
| AshGuine Story II: Kokuu no Gajou | AshGuine Story II: Citadel in the Void | T&E Soft | 1987 | Role Playing > Action RPG | MSX | N | N | Y | N |
| Ashita no Joe | Tomorrow's Joe | K Amusement Leasing | 27 November 1992 | Action > Fighting | SNES | N | N | Y | N |
| Asmik-kun Land | Adventures in Asmik Land | Asmik Ace Entertainment, Inc. | 20 December 1991 | Action > Platformer | NES | N | N | Y | N |
| Aspic: Mahebiou no Noroi | Aspic: Curse of the Snakelord | Bothtec | 31 March 1988 | Role Playing > Action RPG | FDS | N | N | Y | N |
| Assault City | No Alternate Title | Sega | 1990 | Action > Shooter | SMS | N | N | Y | N |
| Assault Suits Valken | Juusou Kihei Valken | X-Nauts | 26 August 2004 | Action > Shooter | PS2 | N | N | N | Y |
| Asterix | No Alternate Title | Infogrames | 1993 | Action > Platformer | GB | N | N | Y | N |
| Asterix & Obelix XXL | No Alternate Title | Atari | 18 June 2004 | Action > Platformer | GC | N | N | N | Y |
| Astérix & The Great Rescue | Astérix & The Great Rescue | Sega, Core Design | November 1993 | Action > Platformer | SMS | N | N | N | Y |
| Astérix: The Gallic War | No Alternate Title | Infogrames | 22 October 2000 | Action > Platformer | PSX | N | N | Y | N |
| Asteroids | No Alternate Title | Atari | 1981 | Action > Shooter | 2600 | Y | N | N | N |
| Astro Fang: Super Machine | No Alternate Title | A-Wave | 26 October 1990 | Racing | NES | N | N | Y | N |
| Astro Warrior | No Alternate Title | Sega | 1986 | Action > Shooter | SMS | N | N | Y | N |
| Astroblast | No Alternate Title | M Network | 31 December 1982 | Action > Shooter | 2600 | N | N | N | Y |
| Astrocounter of Crescents | Bulgidung Crescents | Samsung | 01 April 1996 | Action > Platformer | PC | N | N | Y | N |
| Astyanax | The Lord of King | Jaleco | 21 December 1989 | Action > Platformer | NES | N | Y | Y | Y |
| Asuka 120% Limited: Burning Fest. | No Alternate Title | ASK | 09 October 1997 | Action > Fighting | SAT | N | N | N | Y |
| Asuncia: Matsue no Jubaku | Asuncia: Staff of Sealing | Xing Entertainment | 27 November 1997 | Role Playing | PSX | N | N | Y | N |
