| MAME Name | Description | Official | Alternate | VC WS | ||
 | zarzon | Zarzon | - | - | 290 kB 02-Apr-2021 Download | |
| zaviga | Zaviga | - | - | 525 kB 02-Apr-2021 Download | |
 | zaxxon | Zaxxon (set 1, rev D) | 11,9 MB 19-Jan-2021 Download | - | 908 kB 07-May-2021 Download | |
 | zedblade | Zed Blade / Operation Ragnarok | 652 kB 20-Nov-2015 Download | - | 191 kB 02-Apr-2021 Download | |
 | zektor | Zektor (revision B) | 187 kB 20-Nov-2015 Download | - | 41,2 kB 02-Apr-2021 Download | |
| zerohour | Zero Hour (set 1) | - | - | 241 kB 02-Apr-2021 Download | |
| zeropnt | Zero Point (set 1) | - | - | 589 kB 07-May-2021 Download | |
| zeropnt2 | Zero Point 2 | - | - | 424 kB 07-May-2021 Download | |
 | zeroteam | Zero Team USA (US) | 19,9 MB 19-Jan-2021 Download | - | 237 kB 02-Apr-2021 Download | |
 | zerotm2k | Zero Team 2000 | 19,3 MB 19-Jan-2021 Download | - | - | |
| zerowing | Zero Wing (2P set) | - | - | 193 kB 02-Apr-2021 Download | |
 | zigzagb | Zig Zag (bootleg Dig Dug conversion on Galaxian hardware, set 1) | 2,00 MB 19-Jan-2021 Download | - | 233 kB 02-Apr-2021 Download | |
| zingzip | Zing Zing Zip | - | - | 282 kB 02-Apr-2021 Download | |
| zintrckb | Zintrick / Oshidashi Zentrix (bootleg of CD version) | - | - | 172 kB 02-Apr-2021 Download | |
| znpwfv | Zen Nippon Pro-Wrestling Featuring Virtua (J 971123 V1.000) | - | - | 288 kB 02-Apr-2021 Download | |
| zoar | Zoar | - | - | 556 kB 02-Apr-2021 Download | |
| zodiack | Zodiack | - | - | 361 kB 02-Apr-2021 Download | |
| zombraid | Zombie Raid (9/28/95, US) | - | - | 1,26 MB 07-May-2021 Download | |
 | zookeep | Zoo Keeper (set 1) | 3,06 MB 20-Nov-2015 Download | - | 4,07 MB 07-May-2021 Download | |
| zunkyou | Zunzunkyou no Yabou (Japan) | - | - | 87,1 kB 02-Apr-2021 Download | |
 | zupapa | Zupapa! | 656 kB 20-Nov-2015 Download | - | 112 kB 02-Apr-2021 Download | |
| zwackery | Zwackery | - | - | 175 kB 02-Apr-2021 Download | |
 | zx80 | ZX-80 | 5,74 MB 03-Jun-2018 Download | - | - | |
 | zx81 | ZX-81 | 7,29 MB 03-Jun-2018 Download | - | - | |
 | zzyzzyxx | Zzyzzyxx (set 1) | 10,3 MB 19-Jan-2021 Download | - | 459 kB 07-May-2021 Download | |
