| 38584 | Ficheiro de Contas Bancárias | ZX81 16K | Portuguese |
| 28867 | Fietser | ZX81 16K | - |
| 35846 | Fighter Pilot | ZX81 16K | English |
| 40741 | Fighter Pilot | ZX81 16K | English |
| 28868 | File Loader | ZX81 16K | English |
| 42500 | File Manager | ZX81 16K | English |
| 28869 | File Text | ZX81 16K | English |
| 41442 | Filing Point | ZX81 16K | English |
| 29414 | Filing System | ZX81 16K | English |
| 29519 | Filing System | ZX81 16K | English |
| 40808 | Fill/Scroll/Reverse Window | ZX81 16K | English |
| 29520 | Film Fun | ZX81 16K | English |
| 28871 | Filters | ZX81 16K | German |
| 28873 | Financieel ZX81 Programma | ZX81 16K | Dutch |
| 36002 | Find The Mate | ZX81 16K | English |
| 41553 | Find the Bomb | ZX81 16K | English |
| 40491 | Find the Elephant | ZX81 16K | English |
| 41192 | Find the Letter | ZX81 16K | English |
| 29005 | Finden Sie Den Partner | ZX81 16K | German |
| 41194 | Fire | ZX81 16K | English |