| 16788 | Iniciacion al BASIC | ZX-Spectrum 48K | Spanish |
| 2001186 | Iniciacion al BASIC: Viaje Espacial | - | Spanish |
| 23877 | Injector | ZX-Spectrum 48K | Spanish |
| 24720 | Insectic | ZX-Spectrum 48K | Spanish |
| 15783 | Insert Coins | ZX-Spectrum 48K | Spanish |
| 23328 | Insert Coins 2 | ZX-Spectrum 128K | Spanish |
| 21045 | Instrucciones Truco | ZX-Spectrum 48K | Spanish |
| 44907 | Instrumentos | ZX-Spectrum 16K | Spanish |
| 18183 | Integracion y Deferenciacion | ZX-Spectrum 48K | Spanish |
| 18187 | Integracion y Diferenciacion: Integrales | ZX-Spectrum 48K | Spanish |
| 16588 | Integral | ZX-Spectrum 48K | Spanish |
| 18522 | Integrales | ZX-Spectrum 48K | Spanish |
| 18567 | Integrales | ZX-Spectrum 48K | Spanish |
| 16472 | Integrales | ZX-Spectrum 48K | Spanish |
| 16598 | Integrales Indefinidas I | ZX-Spectrum 48K | Spanish |
| 16599 | Integrales Indefinidas II | ZX-Spectrum 48K | Spanish |
| 16496 | Inteligencia | ZX-Spectrum 48K | Spanish |
| 16397 | Intercambio | ZX-Spectrum 48K | Spanish |
| 18572 | Interes | ZX-Spectrum 48K | Spanish |
| 38111 | Intereses | ZX-Spectrum 48K | Spanish |