| GAMELIST | Silent Shadow | 1988 |
| SALON | Simo 86 | 1986 |
| GAMELIST | Simon  | 1987 |
| GAMELIST | Simon (Mundo Amstrad) | 1987 |
| GAMELIST | Simon (Tu Micro Amstrad) | 1986 |
| GAMELIST | Simon Dice | 1987 |
| GAMELIST | Simon Numerico | 1987 |
| LITTÉRATURE | Simulacion Con Ordenador (Amstrad Sinclair Ocio) | 198x |
| GAMELIST | Simulador Profesional de Tenis | 1990 |
| APPLICATIONS | Sin pantalla | 1988 |
| APPLICATIONS | Sintetizador de Voz | 198x |
| APPLICATIONS | Sintetizador Musical | 198x |
| APPLICATIONS | Sintetizador (G.T.S. Editorial) | 1985, 1987 |
| GAMELIST | Sir Bob | 1986 |
| GAMELIST | Sir Fred
Sirfred | 1986 |
| APPLICATIONS | Sistema Periodoco de Los Elementos | 1985 |
| APPLICATIONS | Sistemas de Unidades | 1986 |
| LITTÉRATURE | Sistemas expertos para ordenadores personales: introduccion a la inteligencia artificial | 1987 |
| GAMELIST | Sito Pons 500 Cc Grand Prix | 1990 |
| GAMELIST | Skip | 198x |
| GAMELIST | Skippy | 1984 |
| GAMELIST | Sky-Reed
Invasion | 1986 |
| GAMELIST | Slippery | 1986 |
| GAMELIST | Smaily | 1991 |
| GAMELIST | Smaley Grumpis | 1985 |
| GAMELIST | Small Games for Smart Minds | 2008 |
| GAMELIST | Snake (MegaOcio) | 1991 |
| GAMELIST | Snake Amstrad (35th @ CPCRetroDev 2015) | 2015 |
| GAMELIST | Snake Eyes
Ojos de Serpiente | 1984 |
| GAMELIST | Snap | 1984 |
| APPLICATIONS | Soft Sprites | 198x |
| DISCMAG | SoftBusters 1 | 1990 |
| DISCMAG | SoftBusters 2 | 1990 |
| DISCMAG | SoftBusters 3 | 1991 |
| GAMELIST | Soga | 1985, 1986 |
| GAMELIST | Sol Negro
Soleil Noir | 1988 |
| GAMELIST | Soldier of Light | 1989 |
| GAMELIST | Solisquare | 1987, 1988 |
| GAMELIST | Solitario de los Espacios | 1986 |
| GAMELIST | Solo | 1989 |
| CODING SRC'S | Sonido de Helicóptero (Amstrad Personal) | 1988 |
| GAMELIST | Sootland | 1989 |
| GAMELIST | Sopa de Letras | 198x |
| GAMELIST | Sopa de Letras
Tortilla de Letras | 1985, 1986 |
| APPLICATIONS | Sophos (Tu Micro Amstrad) | 1986 |
| GAMELIST | Sorcery | 1985 |
| PAPERMAG | Soria News | 1989 |
| GAMELIST | Space Base | 1985, 1986 |
| GAMELIST | Space Eggs | 1985 |
| GAMELIST | Space Pang | 1990 |
| GAMELIST | Space Phantom | 2018 |
| GAMELIST | Space Smugglers | 1989 |
| GAMELIST | Space Traffic
Trafico Espacial | 1984 |
| GAMELIST | Space Trucker | 1986, 1985 |
| PAPERMAG | Spektra CPC 1 | |
| GAMELIST | Spirits | 1987 |
| GAMELIST | Spot Ghost | 198x |
| GAMELIST | Sputnik | 1988 |
| GAMELIST | Star Bowls | 1991 |
| GAMELIST | Star Sordium | 1987, 1988 |
| GAMELIST | Star Trek | 1984 |
| APPLICATIONS | Star Watcher/Mirando a las Estrellas | 1984 |
| GAMELIST | Stardust
Star Dust | 1987 |
| GAMELIST | Starlife
Star Life | 1988 |
| GAMELIST | Steal this Game (16TH @ CPCRETRODEV 2014) | 2014 |
| GAMELIST | Stellar Run
Carrera estelar | 1984 |
| GAMELIST | Stifflip and Co
Stifflip & Co | 1987 |
| APPLICATIONS | Stock - Aid | 1984 |
| APPLICATIONS | Strad Graf (Star Graf/StarGraph) | 1986 |
| GAMELIST | Stranted (Software Editores) | 198x |
| GAMELIST | Strip Poker Animado
Animated Strip Poker
Le Strip Poker Anime | 1985 |
| GAMELIST | Strip-Jak | 1986 |
| GAMELIST | Stroper | 1992 |
| LITTÉRATURE | Su primer computadora personal: Como comprarla y utilizarla | 1985 |
| GAMELIST | Subbuteo | 1990 |
| GAMELIST | Submarino | 1985, 1986, 1987 |
| GAMELIST | Sugar City (CPCRetroDev 2023) | 2023 |
| GAMELIST | Suicida | 1985, 1986 |
| GAMELIST | Sultan's Maze
El Laberinto del Sultan
Sultans Maze | 1984 |
| GAMELIST | Sum Fun | 1984 |
| GAMELIST | Super Arco | 198x |
| APPLICATIONS | Super Copion | 1985 |
| GAMELIST | Super Laberinto | 1985 |
| GAMELIST | Super Pengo | 1988 |
| GAMELIST | Super Sapiens | 1989 |
| GAMELIST | Super Thordercam (31th @ CPCRetroDev 2015) | 1995 |
| GAMELIST | Super-Saltarin | 19xx |
| APPLICATIONS | Supercalc II
Supercalc 2 | 1984 |
| APPLICATIONS | Superior Software - Speech! | 1986 |
| APPLICATIONS | Superior Software - Speech! ( Manual) | 1986 |
| GAMELIST | Supertripper
Super Tripper | 1985 |
| GAMELIST | Surveyor
Surveyor-6 | 1986 |
| GAMELIST | Survive the week (CPCRetroDev 2021) | 2021 |
| GAMELIST | Survivor | 1987 |
| CODING SRC'S | Técnicas de dibujo en tres dimensiones (Amstrad Especial) | 1987 |
| GAMELIST | Tabla De Multiplicar (Amstrad Manía) | 1986 |
| GAMELIST | Tanx | 1984 |
| GAMELIST | Target Plus | 1988 |
| GAMELIST | Targhan | 1990 |
| APPLICATIONS | Tascopy/Tascopy 464/Semcopie 464 | 1985 |
