 | World Stadium (Japan) | 1988 | Namco | ws | Sports / Baseball | 7.50 |
 | World Tennis | 1982 | bootleg | wtennis | Sports / Tennis | 6.00 |
| | World Trophy Soccer (Arcadia, V 3.0) | 1989 | Arcadia Systems | ar_socc | | 0.00 |
| | World Wars (World?) | 1987 | SNK | worldwar | Shooter / Flying Vertical | 7.50 |
 | Worldcup '90 (clone of: wc90) | 1989 | bootleg | wc90b2 | | 0.00 |
| | WOW New Fantasia | 2002 | Comad | wownfant | | 3.60 |
| | WPC 95 Test Fixture (1.2) | 1996 | Bally | tf95_12 | | 0.00 |
| | WPC Test Fixture: Alphanumeric (1.3) | 1990 | Bally | tfa_13 | | 0.00 |
| | WPC Test Fixture: DMD (L-3) | 1991 | Bally | tfdmd_l3 | | 0.00 |
| | WPC Test Fixture: Security (1.2) | 1994 | Bally | tfs_12 | | 0.00 |
| | Wrestle War (Mega-Tech) | 1991 | Sega | mt_wwar | | 0.00 |
 | Wrestle War (set 1, Japan, FD1094 317-0090) (clone of: wrestwar) | 1989 | Sega | wrestwar1 | | 0.00 |
| Wrestle War (set 2, World, FD1094 317-0102) (clone of: wrestwar) | 1989 | Sega | wrestwar2 | | 0.00 |
| Wrestle War (set 3, World, 8751 317-0103) | 1989 | Sega | wrestwar | Wrestling | 5.17 |
 | WW III (clone of: redalert) | 1981 | Irem | ww3 | | 0.00 |
| | WWF Royal Rumble (1.03) (clone of: wwfr_106) | 1994 | Data East | wwfr_103 | | 0.00 |
| | WWF Royal Rumble (1.06) | 1994 | Data East | wwfr_106 | | 0.00 |
| | WWF Royal Rumble (JPN, USA, EXP, KOR, AUS) | 2000 | Sega | wwfroyal | | 0.00 |
 | WWF Superstars (Europe) | 1989 | Technos Japan | wwfsstar | Wrestling | 6.62 |
| WWF Superstars (Japan) (clone of: wwfsstar) | 1989 | Technos Japan | wwfsstarj | | 0.00 |
