 | Zarya Vostoka | 1984 | Nova Games of Canada | zaryavos | Unplayable | 0.00 |
 | Zarzon (clone of: satansat) (sample of: vanguard) | 1981 | SNK (Taito America license) | zarzon | Shooter / Gallery | 0.00 |
 | Zaviga | 1984 | Data East Corporation | zaviga | Shooter / Misc. Vertical | 0.00 |
| Zaviga (Japan) (clone of: zaviga) | 1984 | Data East Corporation | zavigaj | Shooter / Misc. Vertical | 0.00 |
 | Zaxxon (Japan) (clone of: zaxxon) (sample of: zaxxon) | 1982 | Sega | zaxxonj | | 0.00 |
| Zaxxon (set 1) | 1982 | Sega | zaxxon | Shooter / Flying Diagonal | 9.40 |
| Zaxxon (set 2) (clone of: zaxxon) (sample of: zaxxon) | 1982 | Sega | zaxxon2 | Shooter / Flying Diagonal | 0.00 |
| Zaxxon (set 3) (clone of: zaxxon) (sample of: zaxxon) | 1982 | Sega | zaxxon3 | | 0.00 |
 | Zed Blade / Operation Ragnarok | 1994 | NMK | zedblade | Shooter / Flying Horizontal | 8.00 |
 | Zektor (revision B) | 1982 | Sega | zektor | Shooter / Field | 0.00 |
 | Zen Nippon Pro-Wrestling Featuring Virtua (J 971123 V1.000) | 1997 | Sega | znpwfv | Wrestling | 10.00 |
 | Zero (set 1) (clone of: defender) | 1980 | bootleg (Jeutel) | zero | Shooter / Flying | 0.00 |
| Zero (set 2) (clone of: defender) | 1980 | bootleg (Amtec) | zero2 | | 0.00 |
| | Zero Gunner (Japan Model 2B) (clone of: zerogun) | 1997 | Psikyo | zerogunj | Unplayable | 0.00 |
| | Zero Gunner (Model 2A) (clone of: zerogun) | 1997 | Psikyo | zeroguna | Unplayable | 0.00 |
| | Zero Gunner (Model 2B) | 1997 | Psikyo | zerogun | Unplayable | 8.89 |
 | Zero Hour | 1980 | Universal | zerohour | Shooter / Gallery | 10.00 |
 | Zero Point (set 1) | 1998 | Unico | zeropnt | Shooter / Gun | 9.17 |
| Zero Point (set 2) (clone of: zeropnt) | 1998 | Unico | zeropnta | Shooter / Gun | 0.00 |
 | Zero Point 2 | 1999 | Unico | zeropnt2 | Shooter / Gun | 10.00 |
