| 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 | 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 |
| zt1 | Zoo Tycoon Data |
| ztd | Zoo Tycoon Data |
| zud | Vagrant Story ZUP Data |
| zwp | Dark Reign 2 Game Data |
| zxcheck | They Are Billions Saved Game Check |
| zxsav | They Are Billions Saved Game |
| zzl | ZZT Game Data |
| zzm | ZZT Music Data |
| zzt | ZZT Game Data |
| zzz | Black and White Game Data |
