| 28775 | Introduction To Microcomputers: End Of Side One | ZX81 16K | English |
| 10997 | Introduction to Trigonometry | ZX-Spectrum 48K | English |
| 20280 | Introduction to Trigonometry | ZX-Spectrum 48K | English |
| 19891 | Invader Maths | ZX-Spectrum 16K | English |
| 12369 | Inventions 1 | ZX-Spectrum 16K | English |
| 38004 | Inventores | ZX-Spectrum 48K | Spanish |
| 18610 | Inventos | ZX-Spectrum 48K | Spanish |
| 38502 | Inventos e Inventores | ZX-Spectrum 48K | Portuguese |
| 43836 | Inventur | ZX-Spectrum 48K | German |
| 14356 | Inves Spectrum+ Guia de Funcionamiento | ZX-Spectrum 48K | Spanish |
| 11812 | Invisible Man | ZX-Spectrum 48K | English |
| 41038 | Irreducible | ZX-Spectrum 16K | English |
| 22697 | Irregular Verbs | ZX-Spectrum 48K | English |
| 22533 | Is and Are | ZX-Spectrum 48K | English |
| 26292 | Italia | ZX-Spectrum 48K | Italian |
| 27905 | Italia Tour | ZX-Spectrum 48K | Italian |
| 42745 | Italian Terms 1 | ZX-Spectrum 16K | English |
| 42746 | Italian Terms 2 | ZX-Spectrum 16K | English |
| 42747 | Italian Terms 3 | ZX-Spectrum 16K | English |
| 42748 | Italian Terms 4 | ZX-Spectrum 16K | English |