| 39924 | Input Routine | ZX81 16K | English |
| 34516 | Input Two | ZX81 16K | English |
| 39863 | Input/Slicing Routine | ZX-Spectrum 48K | English |
| 22099 | Inputrap | ZX-Spectrum 48K | English |
| 10832 | Inquisitor | ZX-Spectrum 48K | English |
| 7479 | Insane | ZX-Spectrum 128K | English |
| 7480 | Insanity Part 1 | ZX-Spectrum 128K | English |
| 39799 | Insect-Chase | ZX-Spectrum 16K/48K | English |
| 2487 | Insector Hecti in the Interchange | ZX-Spectrum 48K/128K | English |
| 27798 | Insects | ZX-Spectrum 16K | English |
| 2001028 | Inside BASIC Games | - | English |
| 2488 | Inside Outing | ZX-Spectrum 48K | English |
| 2000972 | Inside QDOS | - | English |
| 2000187 | Inside Your Computer | - | English |
| 2000188 | Inside Your Spectrum | - | English |
| 31366 | Inside the Box | ZX-Spectrum 48K | English |
| 2000185 | Inside the Chip | - | English |
| 2000186 | Inside the Sinclair QL | Sinclair QL | English |
| 4000042 | Inside, Outside Earth | Timex Tx2068 | English |
| 37977 | Insomnia | ZX-Spectrum 48K | English |