| Zig Zag (Ace) (sp.ACE) (set 7) (clone of: sp_zigzg) | 1969 | Ace | sp_zigzgf | | 0.00 |
| Zig Zag (Ace) (sp.ACE) (set 8) (clone of: sp_zigzg) | 1969 | Ace | sp_zigzgg | | 0.00 |
| Zig Zag (Ace) (sp.ACE) (set 9) (clone of: sp_zigzg) | 1969 | Ace | sp_zigzgh | | 0.00 |
| Zig Zag (Barcrest - Red Gaming) (MPU5) | 1969 | Barcrest / Red Gaming | m5zigzag | | 0.00 |
| Zig Zag (Dig Dug hardware) (clone of: digdug) | 1982 | bootleg | dzigzag | Maze / Digging | 0.00 |
| Zig Zag (Galaxian hardware, set 1) | 1982 | bootleg (LAX) | zigzag | Maze / Digging | 0.00 |
| Zig Zag (Galaxian hardware, set 2) (clone of: zigzag) | 1982 | bootleg (LAX) | zigzag2 | Maze / Digging | 0.00 |
| Zillionare's Challenge (Pure Leisure) (MPU4) (set 1) | 1969 | Pure Leisure | m4zill | | 0.00 |
| Zillionare's Challenge (Pure Leisure) (MPU4) (set 2) (clone of: m4zill) | 1969 | Pure Leisure | m4zilla | | 0.00 |
| Zing Zing Zip | 1992 | Allumer / Tecmo | zingzip | Shooter / Flying Vertical | 6.57 |
| Zing Zing Zip (bootleg) (clone of: zingzip) | 1992 | bootleg | zingzipbl | | 0.00 |
| Zintrick / Oshidashi Zentrix (hack) | 1996 | hack | zintrckb | Puzzle / Toss | 5.00 |
| Zip & Zap | 1995 | Barko Corp | zipzap | | 0.00 |
| ZN1 | 1995 | Capcom | cpzn1 | BIOS | 7.82 |
| ZN2 | 1997 | Capcom | cpzn2 | BIOS | 9.00 |
| Zoar | 1982 | Data East USA | zoar | Shooter / Flying Vertical | 5.00 |
| Zodiack | 1983 | Orca (Esco Trading Co) | zodiack | Shooter / Flying | 3.00 |
| Zoku Mahjong Housoukyoku (Japan) (clone of: mhhonban) | 1969 | Nichibutsu? | zokumahj | | 0.00 |
| Zoku Otenamihaiken (V2.03J) | 2000 | Success | zokuoten | | 0.00 |
| Zombie Raid (US) | 1995 | American Sammy | zombraid | Shooter / Gun | 5.00 |