| Zunou Senkan Galg | Galg | DB Soft | 14 December 1985 | Action > Shooter | NES | N | N | Y | Y |
| Zui Zhong Huan Xiang X1-X3 | Final Fantasy IV Famicom Trilogy | Unlicensed | Unreleased | Role Playing | NES | N | N | N | Y |
| Zugya | No Alternate Title | Sprite | 1996 | Action > Shooter | X68K | N | N | Y | N |
| Zoop | No Alternate Title | Viacom New Media | 1995 | Puzzle | SNES | N | N | Y | N |
| Zoom 909 | No Alternate Title | Sega | 1985 | Action > Shooter | SG1K | N | N | Y | N |
| Zoom 909 | No Alternate Title | Pony Canyon | 1985 | Action > Shooter | MSX | N | N | Y | N |
| Zool: Ninja of the "Nth" Dimension | No Alternate Title | Gremlin Graphics | 1993 | Action > Platformer | SMS | N | N | Y | N |
| Zool: Ninja of the "Nth" Dimension | Zool no Yume Bouken | GameTek | January 1994 | Action > Platformer | SNES | N | N | Y | N |
| Zool: Ninja of the "Nth" Dimension | Zool no Yume Bouken | GameTek | 1993 | Action > Platformer | GG | N | N | Y | N |
| Zool: Ninja of the "Nth" Dimension | No Alternate Title | GameTek | 1993 | Action > Platformer | GB | N | N | Y | N |
| Zool: Ninja of the "Nth" Dimension | No Alternate Title | GameTek | 1993 | Action > Platformer | GEN | N | N | Y | N |
| Zombies Ate My Neighbors | Zombies | Konami | November 1993 | Action | GEN | N | Y | N | Y |
| Zombies Ate My Neighbors | Zombies | Konami | 24 September 1993 | Action | SNES | N | Y | N | Y |
| Zombie Zone: The Other Side | Zombie Hunters | D3 Publisher | 23 June 2005 | Action | PS2 | N | N | Y | N |
| Zombie Nation | Abarenbou Tengu | Meldac | 14 December 1990 | Action > Shooter | NES | N | N | Y | N |
| Zombie Hunter | No Alternate Title | Hi-Score Media Work | 03 July 1987 | Role Playing > Action RPG | NES | N | N | Y | Y |
| Zoids: Shirogane no Juukishin Liger Zero | No Alternate Title | Tomy | 15 June 2001 | Role Playing | GB | N | N | Y | N |
| Zoids: Mokushiroku | Zoids: Apocalypse | Tomy | 21 December 1990 | Strategy | NES | N | N | Y | N |
| Zoids: Chūō Tairiku no Tatakai | Zoids: Battle of the Central Continent | Toshiba-EMI Ltd. | 1987 | Role Playing > Action RPG | NES | N | N | Y | N |
| Zoids VS III | No Alternate Title | TOMY | 30 September 2004 | Action | GC | N | N | Y | N |
