| 5531 | Cosme y los Alienigenas | ZX-Spectrum 48K | Spanish |
| 1084 | Cosmic Sheriff | ZX-Spectrum 48K | Spanish |
| 34845 | Cosmito en Imperio Cobra | ZX-Spectrum 48K | Spanish |
| 8060 | Cotavilidad | ZX-Spectrum 48K | Spanish |
| 14842 | Cotton ZX | ZX-Spectrum 48K | Spanish |
| 25242 | Counter | ZX-Spectrum 48K | Spanish |
| 42697 | Covidians Extended | ZX-Spectrum 48K/128K | Spanish |
| 16177 | Cow Boy | ZX-Spectrum 48K | Spanish |
| 6183 | Cozumel | ZX-Spectrum 48K | Spanish |
| 30121 | Cra'k the JAM | ZX-Spectrum 48K | Spanish |
| 18011 | Cramer | ZX-Spectrum 48K | Spanish |
| 42293 | Craps - Juego de Dados | ZX-Spectrum 48K | Spanish |
| 19111 | Cras-Crash | ZX-Spectrum 48K | Spanish |
| 14824 | Crazy Billiards | ZX-Spectrum 48K | Spanish |
| 1134 | Crazy Pingoin | ZX-Spectrum 48K | Spanish |
| 17604 | Creador Musical II | ZX-Spectrum 48K | Spanish |
| 27581 | Creador de Juegos Arcade | ZX-Spectrum 48K | Spanish |
| 16570 | Creador de Pantallas de Juegos | ZX-Spectrum 48K | Spanish |
| 38132 | Creador de Sectores de Autoarranque | ZX-Spectrum 128 +3 | Spanish |
| 18059 | Creta | ZX-Spectrum 48K | Spanish |