| Sinclair ZX Spectrum cass. |  Satan | 1989 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | Smash Out! | 198? | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. |  Splat! | 1988 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. |  Strike Force Cobra | 1988 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | Strip Poker 2+ | 198? | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | Subbuteo | 1990 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | Superman - The Man of Steel | 198? | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | The Fifth Quadrant | 198? | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | The Rocky Horror Show | 1986 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | The Trap Door Model 1SEA-179 | 1988 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | Through The Trap Door | 1987 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | Triple Decker 2 | 1989 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | Triple Decker 3 | 1987 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | Underground Model 1-STY 235 | 1988 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | World Championship Boxing Manager | 1990 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | World Class Rugby | 1991 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | Yogi Bear | 198? | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | Zampabolas Model 1STY808 | 1990 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | BMX Ninja Model 4 STA-261 | 1989 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Bob Morane Caballeria | 1988 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Bob Morane Espacio Model 4STI-210 | 1987 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Bob Morane Jungla Model 4STI-214 | 1988 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Buffalo Bill's Rodeo Games Model IB-A-024 | 1989 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Chamonix Challenge Model 4-STI 113 | 198? | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Classic Arcadia Model 4 STA 334 | 1988 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Classic Arcadia Model 4 STA 335 | 1988 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Crazy Er*bert Model 4SLA-156 | 198? | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Cuatro Grandes Juegos Vol. II Model 4STV 128 | 1987 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Danger Mouse In Double Trouble Model 4SEA304 | 1988 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Danger Mouse In Makin' Whoopee Model AS114 | 1985 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Dark Side Model 4STN-257 | 1988 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Dead or Alive Model AS028 | 1987 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Defenders of the Earth Model IB-A-016 | 1990 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Driller Model 4STN 749 | 1988 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Encyclopedia of War - Ancient Battles Model 4 SHZ-875 | 1990 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Everyone's A Wally - Meet The Gang Model 4SEA186 | 1988 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Exterminator Model 4 SHX-375 | 1991 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Football Manager - World Cup Edition | 1990 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Football Manager 2 Model 4 SHC-698 | 1989 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Gunboat | 1987 | System 4 de Espana, S.A. Spain |
