| 34515 | Input One | ZX81 16K | English |
| 39924 | Input Routine | ZX81 16K | English |
| 34516 | Input Two | ZX81 16K | English |
| 39985 | Instant Screen | ZX81 16K | English |
| 41374 | Insulter | ZX81 16K | English |
| 29545 | Inter-Stellar Traffic | ZX81 16K | English |
| 31680 | Intercepteur Cobalt | ZX81 16K | - |
| 35651 | Interceptor | ZX81 16K | English |
| 32024 | Intergalactic Space Rescue | ZX81 16K | English |
| 31681 | Intermediate English 1 | ZX81 16K | - |
| 31682 | Intermediate English 2 | ZX81 16K | - |
| 31683 | Introduction To Chemistry | ZX81 16K | - |
| 28776 | Introduction To Microcomputers | ZX81 16K | English |
| 28775 | Introduction To Microcomputers: End Of Side One | ZX81 16K | English |
| 28995 | Invaders | ZX81 16K | English |
| 29040 | Invaders | ZX81 16K | English |
| 29308 | Invaders | ZX81 16K | English |
| 31684 | Invaders | ZX81 16K | - |
| 31685 | Invaders | ZX81 16K | - |
| 31686 | Invaders | ZX81 16K | - |