| ID | Title | Machine | Language |
|---|---|---|---|
| 41806 | Zedman | ZX81 16K | - |
| 43600 | Zedman + Spacers | ZX81 16K | English |
| 43347 | Zensur | ZX81 16K | German |
| 37905 | Zhunder Vlade | ZX81 16K | English |
| 41361 | Zitz | ZX81 16K | English |
| 30387 | Zombi Terror | ZX81 16K | English |
| 29678 | Zombie Island | ZX81 16K | English |
| 29444 | Zombies | ZX81 16K | English |
| 41466 | Zombies | ZX81 16K | English |
| 40480 | Zombies | ZX81 16K | English |
| 37732 | Zonkey Kong | ZX81 16K | English |
| 45491 | Zoust | ZX81 16K | English |
| 34604 | Ztsxxstz | ZX81 16K | English |
| 39359 | Zuc | ZX81 16K | Italian |
| 31904 | Zuckman | ZX81 16K | - |
| 43524 | robotfindskitten | ZX81 16K | English |