| 12669 | Idle Space 2 | ZX-Spectrum 48K | English |
| 35787 | Igra | ZX-Spectrum 48K | English |
| 2450 | Ikari Warriors | ZX-Spectrum 48K/128K | English |
| 28164 | Ikari Warriors + Enduro Racer + Thundercats | ZX-Spectrum 48K | English |
| 23126 | IlluminDemo | ZX-Spectrum 48K | English |
| 22790 | Illuminated Text | ZX-Spectrum 48K | English |
| 36605 | Illuminati | ZX81 16K | English |
| 39031 | Illuminati II - The Davos Deadlock | ZX-Spectrum 48K | English |
| 25807 | Illuminator | ZX-Spectrum 48K | English |
| 7471 | Illusion | ZX-Spectrum 128K | English |
| 2000867 | Illustrating BASIC | - | English |
| 2000180 | Illustrating Superbasic on the Sinclair QL | Sinclair QL | English |
| 27332 | Image | ZX-Spectrum 48K | English |
| 26896 | Image Edit | ZX-Spectrum 48K | English |
| 21455 | Image Maker | ZX-Spectrum 48K | English |
| 16987 | Imager | ZX-Spectrum 48K | English |
| 11796 | Images | ZX-Spectrum 48K | English |
| 6464 | Imagination | ZX-Spectrum 48K | English |
| 32127 | Imagine | ZX-Spectrum 48K | English |
| 6466 | Immortality Rules OK! | ZX-Spectrum 48K | English |