| 2000702 | Como Programar Su Spectrum | - | Spanish |
| 2000703 | Como Programar Su Spectrum y Timex 2068 | - | Spanish |
| 2000701 | Como Usar los Colores y los Graficos en el Spectrum | - | Spanish |
| 15855 | Como Usar los Colores y los Graficos en el Spectrum | ZX-Spectrum 48K | Spanish |
| 6102 | Como la Vida Misma (O Parecido) | ZX-Spectrum 48K | Spanish |
| 16613 | Como se Construye un Programa Comercial III | ZX-Spectrum 48K | Spanish |
| 17974 | Comp-Music | ZX-Spectrum 48K | Spanish |
| 18925 | Compact Editor | ZX-Spectrum 128K | Spanish |
| 16512 | Compilador de Textos | ZX-Spectrum 48K | Spanish |
| 37540 | Compresor de Ficheros para Discos | ZX-Spectrum 128 +3 | Spanish |
| 16514 | Compresor de Pantallas | ZX-Spectrum 48K | Spanish |
| 37544 | Compresor de Pantallas para Plus-3 | ZX-Spectrum 128 +3 | Spanish |
| 16556 | Compresor de Programas | ZX-Spectrum 48K | Spanish |
| 37445 | Compresor de Programas 16 y 48K | ZX-Spectrum 16K/48K | Spanish |
| 15240 | Concon issue 1 | ZX-Spectrum 48K | Spanish |
| 15241 | Concon issue 2 | ZX-Spectrum 48K | Spanish |
| 15242 | Concon issue 3 | ZX-Spectrum 48K | Spanish |
| 15243 | Concon issue 4 | ZX-Spectrum 48K | Spanish |
| 17836 | Concon issue 5 | ZX-Spectrum 48K | Spanish |
| 17837 | Concon issue 6 | ZX-Spectrum 48K | Spanish |