| ID | Title | Machine | Language |
|---|---|---|---|
| 44439 | Cassette 1 | ZX81 16K | English |
| 31550 | Cassette 1 | ZX81 16K | - |
| 31551 | Cassette 1 | ZX81 16K | - |
| 31552 | Cassette 2 | ZX81 16K | - |
| 31553 | Cassette 3 | ZX81 16K | - |
| 31554 | Cassette 4 | ZX81 16K | - |
| 31555 | Cassette 5 | ZX81 16K | - |
| 31556 | Cassette 50 | ZX81 16K | - |
| 28745 | Cassette Bestand | ZX81 16K | Dutch |
| 41025 | Cassette File | ZX81 16K | English |
| 41452 | Cassette Files | ZX81 16K | English |
| 28743 | Cassette Index | ZX81 16K | Dutch |
| 41462 | Cassette Labels | ZX81 16K | English |
| 31557 | Castle Adventure | ZX81 16K | - |
| 36240 | Castle Colditz | ZX81 16K | - |
| 40926 | Castles | ZX81 16K | English |
| 41183 | Catacomb | ZX81 16K | English |
| 28748 | Catacombs | ZX81 16K | English |
| 28751 | Catapult | ZX81 16K | Dutch |
| 41550 | Catch | ZX81 16K | English |