| Title | Year | Genre |
|---|---|---|
| Area 51 | 1995 | Gun shooter |
| Area 51 / Maximum Force Duo | 1995 | Gun shooter |
| Ares no Tsubasa | 1986 | Shooter |
| Argus | 1986 | Shooter |
| Ark Area | ???? | Shooter |
| Arkanoid - Revenge of DOH | 1987 | Breakout |
| Arkanoid | 1986 | Breakout |
| Arkanoid Returns | 1997 | Breakout |
| Arlington Horse Racing | 1991 | Bets |
| Arm Champs II | 1992 | Sports |
| Arm Wrestling | 1985 | Sports |
| Armadillo Racing | 1997 | Racing |
| Armed Formation | 1988 | Shooter |
| Armed Police Batrider | 1998 | Shooter |
| Armor Attack | 1980 | Shooter |
| Armored Car | 1981 | Arcade |
| Ashita no Joe | 1990 | Boxing |
| Ashura Blaster | 1990 | Shooter |
| ASO - Armored Scrum Object | 1985 | Shooter |
| Assault | 1988 | Shooter |
| Assault Plus | 1988 | Shooter |
| Asterion | 1980 | Shooter |
| Asterix | 1992 | Beat em up |
| Asteroids | 1979 | Shooter |
| Asteroids Deluxe | 1980 | Shooter |
| Astrians | 1980 | Shooter |
| Astro Ambush | 1981 | Shooter |
| Astro Battle | 1979 | Shooter |
| Astro Blaster | 1981 | Shooter |
| Astro Chase | 1982 | Shooter |
| Astro Combat | 1979 | Shooter |
| Astro Fighter | 1979 | Shooter |
| Astro Flash | 1986 | Shooter |
| Astro Invader | 1980 | Shooter |
| Astro Laser | 1980 | Arcade |
| Astro Wars | 1980 | Shooter |
| Astropal | ???? | Shooter |
| Astyanax, The | 1989 | Action |
| Asuka & Asuka | 1988 | Shooter |
| Asura Blade - Sword of Dynasty | 1998 | Fighting |
| Asura Buster - Eternal Warriors | 2001 | Beat em up |
| Asylum | 1991 | Action |
| Ataque Androide - Moon Cresta | 1980 | Shooter |
| Ataque Sideral | 1980 | Shooter |
| Atari Baseball | 1979 | Baseball |
| Atari Basketball | 1979 | Basketball |
| Atari Football | 1979 | Football US |
| Atari Mini Golf | 1978 | Golf |
| Atari Soccer | 1980 | Soccer |
| Ataxx | 1990 | Puzzle |
