| zei | Anno 1602 Game Data |
| zfs | Call To Power II Game Data |
| zfs | Interstate 82 Game Data |
| zgp | Zelda Classic Graphics Pack |
| zik | Atlantis: The Lost Tales Audio Data |
| zik | Cryo ZIK Audio |
| zip | Oolite Expansion Pack |
| zipfs | 18 Wheels of Steel Data |
| zipfs | Duke Nukem: Manhattan Project Game Archive |
| zks | Pathfinder: Kingmaker Saved Game |
| zlb | Z-machine Library |
| zmap | Zombies Ate My Neighbors Map |
| zmd | Dave Mirra Freestyle BMX Data |
| zmd | ROSE Online Model Bones Data |
| zmo | ROSE Online Model Animation |
| zms | ROSE Online Model Data |
| znd | Vagrant Story Zone Data |
| zon | GTA III Zone Data |
| zon | ROSE Online Map Definition Data |
| zox | Salt and Sanctuary Game Data |
| zrb | Total Annihilation Data |
| zrs | Hearts Game Data |
| zrs | Spec Ops 2: Green Berets Game Data |
| zsc | ROSE Online Zscript |
| zsd | Dave Mirra Freestyle BMX Data File |
| zsdx | Zelda Mystery of Solarus DX Quest Data |
| zse | Zelda Classic Sound Effects Data |
| zsg | Zillions of Games Solution Saved Game |
| zsm | X-Men Legends Game Data |
| zss | X-Men Legends 2: Rise Of Apocalypse Game Data |
