| Wangan Midnight Maximum Tune 2 (Export) (GDX-0015) | 2005 | Namco | wangmid2 | | 1.60 |
| Wangan Midnight Maximum Tune 2 (Japan) (Rev A) (GDX-0016A) | 2005 | Namco | wangmd2b | | 0.00 |
| Warp & Warp | 1981 | Namco | warpwarp | Shooter / Misc. | 9.80 |
| Winning Run | 1988 | Namco | winrun | | 7.50 |
| Winning Run '91 (Japan) | 1991 | Namco | winrun91 | Unplayable | 0.00 |
| Winning Run Suzuka Grand Prix (Japan) | 1989 | Namco | winrungp | | 0.00 |
| Wonder Momo | 1987 | Namco | wndrmomo | Fighter / 2D | 7.40 |
| World Court (Japan) | 1988 | Namco | wldcourt | Sports / Tennis | 8.56 |
| World Stadium '89 (Japan) (clone of: ws) | 1989 | Namco | ws89 | Sports / Baseball | 0.00 |
| World Stadium '90 (Japan) (clone of: ws) | 1990 | Namco | ws90 | Sports / Baseball | 0.00 |
| World Stadium (Japan) | 1988 | Namco | ws | Sports / Baseball | 8.00 |
| X-Day 2 (Japan) | 1995 | Namco | xday2 | Unplayable | 1.50 |
| Xevious (Namco) | 1982 | Namco | xevious | Shooter / Flying Vertical | 6.42 |
| Xevious 3D/G (Japan, XV31/VER.A) | 1995 | Namco | xevi3dg | Shooter / Flying Vertical | 7.27 |
| 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 | youkaidko | | 0.00 |