| 2482 | Infiltrator | ZX-Spectrum 48K | English |
| 24374 | Infiltrator II: The Next Day | ZX-Spectrum 48K | English |
| 26697 | Infinite Scroll | ZX-Spectrum 16K | English |
| 20275 | Infinity | ZX-Spectrum 48K | English |
| 40305 | Infix to Postfix Conversion | ZX-Spectrum 48K | English |
| 7475 | Influence | ZX-Spectrum 128K | English |
| 32364 | Infocom Sampler 1 (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 32365 | Infocom Sampler 1 - Newer (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 32366 | Infocom Sampler 2 (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 13860 | Infodroid | ZX-Spectrum 48K | English |
| 20886 | Infoload | ZX-Spectrum 48K | English |
| 20276 | Infoloc | ZX-Spectrum 48K | English |
| 2000181 | Information Handling for the ZX Spectrum | - | English |
| 11799 | Information Processing | ZX-Spectrum 48K | English |
| 2000182 | Information Revolution | - | English |
| 2001282 | Information Technology at Work | - | English |
| 32367 | Informatory - A Not Very Interactive Pastiche with Tutorial Pretensions (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 30855 | Infrinja | - | English |
| 14563 | Infy | ZX-Spectrum 48K/128K | English |
| 9233 | Infy | ZX-Spectrum 48K | English |