| Title | Year | Genre |
|---|---|---|
| Athena | 1986 | Action |
| Athena no Hatena | 1993 | Quiz |
| Atlant Olimpic | 1996 | Sports |
| Atlantic City Action | 1983 | Cards |
| Atom | 1993 | Arcade |
| Atomic Boy | 1985 | Arcade |
| Atomic Point | 1990 | Puzzle |
| Atomic Punk | 1991 | Arcade |
| Atomic Robo-kid | 1988 | Shooter |
| Attack Pla Rail | 1998 | Train simulator |
| Attack Ufo | 1980 | Shooter |
| Aurail | 1990 | Shooter |
| AV Hanafuda Hana no Ageman | 1990 | Cards |
| AV Hanafuda Hana no Christmas Eve | 1990 | Cards |
| AV2Mahjong No.1 Bay Bridge no Seijo | 1991 | Mahjong |
| AV2Mahjong No.2 Rouge no Kaori | 1991 | Mahjong |
| Avalanche | 1978 | Arcade |
| Ave Fenix | 1980 | Shooter |
| Avengers | 1987 | Beat em up |
| Avengers In Galactic Storm | 1995 | Fighting |
| Avenging Spirit | 1991 | Action |
| Aztarac | 1983 | Shooter |
| Azurian Attack | 1982 | Shooter |
