 | Yachtsman (clone of: mermaid) | 1982 | [Sanritsu] Esco | yachtmn | Sports | 0.00 |
 | Yakyuu Kakutou League-Man (Japan) (clone of: nbbatman) | 1993 | Irem | leaguemn | Fighter / 2.5D | 0.00 |
 | Yam! Yam!? | 1990 | Dooyong | yamyam | Puzzle | 10.00 |
 | Yamato (US) | 1983 | Sega | yamato | Shooter / Gallery | 0.00 |
| Yamato (World?) (clone of: yamato) | 1983 | Sega | yamato2 | Shooter / Gallery | 0.00 |
 | Yankee DO! (clone of: mrdo) | 1982 | hack | yankeedo | Maze / Digging | 0.00 |
 | Yellow Cab (bootleg) (clone of: kamikcab) | 1984 | bootleg | yellowcb | | 0.00 |
 | Yes/No Sinri Tokimeki Chart | 1992 | Taito Corporation | yesnoj | Quiz / Japanese | 0.00 |
 | Yie Ar Kung-Fu (set 1) | 1985 | Konami | yiear | Fighter / Versus | 10.00 |
| Yie Ar Kung-Fu (set 2) (clone of: yiear) | 1985 | Konami | yiear2 | Fighter / Versus | 0.00 |
 | Yo! Noid (PlayChoice-10) | 1990 | Capcom USA (Nintendo of America license) | pc_ynoid | Platform / Fighter Scrolling | 0.00 |
 | Yokai Douchuuki (Japan new version) (clone of: shadowld) | 1987 | Namco | youkaidk | Platform / Shooter Scrolling | 0.00 |
| Yokai Douchuuki (Japan old version) (clone of: shadowld) | 1987 | Namco | yokaidko | Platform / Shooter Scrolling | 0.00 |
 | Yosaku To Donbei (set 1) (sample of: invaders) | 1979 | Wing | yosakdon | Shooter / Gallery | 0.00 |
| Yosaku To Donbei (set 2) (clone of: yosakdon) (sample of: invaders) | 1979 | Wing | yosakdoa | Shooter / Gallery | 0.00 |
 | Youjyuden (Japan) | 1986 | Irem | youjyudn | Shooter / Walking | 0.00 |
 | Youma Ninpou Chou (Game Electronics bootleg, set 1) (clone of: ninjemak) | 1986 | bootleg | youmab | | 0.00 |
| Youma Ninpou Chou (Game Electronics bootleg, set 2) (clone of: ninjemak) | 1986 | bootleg | youmab2 | | 0.00 |
| Youma Ninpou Chou (Japan) (clone of: ninjemak) | 1986 | Nichibutsu | youma | Shooter / Misc. Vertical | 0.00 |
 | Yu-Jan | 1999 | Yubis / T.System | yujan | Unplayable | 0.00 |
