| | WMS SetUp/Clear Chips (set 2) (clone of: wms) | 1969 | WMS | wmsa | | 0.00 |
| | WMS SetUp/Clear Chips (set 3) (clone of: wms) | 1969 | WMS | wmsb | | 0.00 |
| | Wok n' Roll (Bellfruit) (Scorpion 5) (set 1) | 1969 | BFM | sc5wok | | 0.00 |
| | Wok n' Roll (Bellfruit) (Scorpion 5) (set 2) (clone of: sc5wok) | 1969 | BFM | sc5woka | | 0.00 |
 | Wolf Fang -Kuhga 2001- (Japan) (clone of: rohga) | 1991 | Data East Corporation | wolffang | | 0.00 |
| | Wolf Man | 1987 | Peyper | wolfman | | 0.00 |
 | Wolf Pack (prototype) | 1978 | Atari | wolfpack | Shooter / Gallery | 0.00 |
 | Wonder 3 (Japan 910520) (clone of: 3wonders) | 1991 | Capcom | wonder3 | Multiplay | 0.00 |
 | Wonder Boy (315-5162, 4-D Warriors Conversion) (clone of: wboy) | 1986 | Escape (Sega license) | wboy4 | | 0.00 |
| Wonder Boy (prototype?) (clone of: wboy) | 1986 | Escape (Sega license) | wboyu | Platform / Shooter Scrolling | 0.00 |
| Wonder Boy (set 1, 315-5135) (clone of: wboy) | 1986 | Escape (Sega license) | wboyo | Platform / Shooter Scrolling | 0.00 |
| Wonder Boy (set 1, 315-5177) | 1986 | Escape (Sega license) | wboy | Platform / Shooter Scrolling | 6.93 |
| Wonder Boy (set 2, 315-5178) (clone of: wboy) | 1986 | Escape (Sega license) | wboy2 | Platform / Shooter Scrolling | 0.00 |
| Wonder Boy (set 2, not encrypted) (clone of: wboy) | 1986 | Escape (Sega license) | wboy2u | Platform / Shooter Scrolling | 0.00 |
| Wonder Boy (set 3, 315-5135) (clone of: wboy) | 1986 | Escape (Sega license) | wboy3 | Platform / Shooter Scrolling | 0.00 |
| Wonder Boy (set 5, bootleg) (clone of: wboy) | 1986 | bootleg | wboy5 | | 0.00 |
| Wonder Boy (system 2) (clone of: wboy) | 1986 | Escape (Sega license) | wboysys2 | | 0.00 |
| Wonder Boy (US bootleg) (clone of: wboy) | 1986 | bootleg | wboyub | | 0.00 |
| Wonder Boy Deluxe (clone of: wboy) | 1986 | Escape (Sega license) | wbdeluxe | Platform / Shooter Scrolling | 0.00 |
 | Wonder Boy III - Monster Lair (bootleg) (clone of: wb3) | 1988 | bootleg | wb3bbl | Platform / Shooter Scrolling | 0.00 |
