| | Wack-A-Doodle-Doo (Redemption) | 1998 | Sega | wackadoo | | 0.00 |
 | Wacko | 1982 | Bally Midway | wacko | Shooter / Field | 6.33 |
| | Wacky Racer (Mdm) (MPU3) | 1969 | Mdm | m3wacky | | 0.00 |
| | Wacky Racers (Bellfruit) (Scorpion 5) (set 1) | 1969 | BFM | sc5wacky | | 0.00 |
| | Wacky Racers (Bellfruit) (Scorpion 5) (set 2) (clone of: sc5wacky) | 1969 | BFM | sc5wackya | | 0.00 |
| | Wacky Racers (Bellfruit) (Scorpion 5) (set 3) (clone of: sc5wacky) | 1969 | BFM | sc5wackyb | | 0.00 |
| | Wacky Racers (Bellfruit) (Scorpion 5) (set 4) (clone of: sc5wacky) | 1969 | BFM | sc5wackyc | | 0.00 |
| | Wacky Weekend Club (Global) (MPU4) (set 1) | 1969 | Global | m4wwc | | 0.00 |
| | Wacky Weekend Club (Global) (MPU4) (set 2) (clone of: m4wwc) | 1969 | Global | m4wwca | | 0.00 |
| | Wacky Weekend Club (Global) (MPU4) (set 3) (clone of: m4wwc) | 1969 | Global | m4wwcb | | 0.00 |
| | Wadzilla (Mazooma) (Scorpion 4) (set 1) | 1969 | Mazooma | sc4wadzl | | 0.00 |
| | Wadzilla (Mazooma) (Scorpion 4) (set 2) (clone of: sc4wadzl) | 1969 | Mazooma | sc4wadzla | | 0.00 |
 | Waga Seishun no Arcadia (clone of: nyny) | 1980 | Sigma Enterprises Inc. | warcadia | | 0.00 |
| | Wagon Trail (Maygay) (M1A/B) | 1969 | Maygay | m1wagon | | 0.00 |
 | Wai Wai Jockey Gate-In! | 1984 | Jaleco / Casio | wwjgtin | Sports / Horse Racing | 6.75 |
| | Waiwai Animal Land Jr. (Japan) (clone of: animaljr) | 1993 | Nakanihon / East Technology (Taito license) | animaljrj | | 0.00 |
 | Wakakusamonogatari Mahjong Yonshimai (Japan) | 1996 | Maboroshi Ware | mj4simai | Tabletop / Mahjong *Mature* | 6.14 |
 | Waku Waku 7 | 1996 | Sunsoft | wakuwak7 | Fighter / Versus | 8.87 |
| | Waku Waku Doubutsu Land TonTon (Japan) | 1969 | Success / Taiyo Jidoki | tonton | | 0.00 |
 | Wall Crash (set 1) | 1984 | Midcoin | wallc | Breakout | 6.00 |
