| 12751 | Base | ZX-Spectrum 48K | English |
| 40794 | Base 255 Number System | ZX-Spectrum 48K | English |
| 12618 | Base Invaders | ZX-Spectrum 48K | English |
| 17382 | Base Invaders + Scramble + High Noon | ZX-Spectrum 48K | English |
| 38839 | Base Lunar | ZX-Spectrum 48K | Portuguese |
| 38852 | Base de Datos | ZX-Spectrum 48K | Spanish |
| 15004 | Base de Datos | ZX-Spectrum 48K | Spanish |
| 27494 | Base de Datos | ZX-Spectrum 48K | Spanish |
| 16551 | Base de Datos Para el Sistema MDS de Pin-Soft | ZX-Spectrum 48K | Spanish |
| 42227 | Base de Datos para Microdrive | ZX-Spectrum 48K | Spanish |
| 26125 | Base de Datos para Microdrive | ZX-Spectrum 48K | Spanish |
| 429 | Baseball | ZX-Spectrum 48K | English |
| 24745 | Bases | ZX-Spectrum 48K | Spanish |
| 22151 | Basex | ZX-Spectrum 48K | English |
| 22828 | Basfix! | ZX-Spectrum 48K | English |
| 30513 | Bash N' Grab | ZX-Spectrum 48K | English |
| 38842 | Basic 1 | ZX-Spectrum 48K | Portuguese |
| 12365 | Basic Arithmetic | ZX-Spectrum 48K | English |
| 16611 | Basic CM | ZX-Spectrum 48K | Spanish |
| 25549 | Basic Chemistry | ZX-Spectrum 48K | English |