| GAMELIST | Silly Number Guessing Game | 2017 |
| GAMELIST | Silverwolf - Part 1 : The Quest for the Sword | 2018 |
| DEMOSCENE | Silvester Demo | 1993/1994 |
| GAMELIST | Sim City
Simcity | 1990 |
| GAMELIST | Simon (Alistair Young) | 1988 |
| GAMELIST | Simon (Amstrad Action)  | 1986 |
| GAMELIST | Simon (Amstrad Action) | 1989/1990 |
| GAMELIST | Simon Says | 1985 |
| GAMELIST | Simper
S.I.M.P.E.R | 1984 |
| APPLICATIONS | Simplan | 1986 |
| APPLICATIONS | Simple Accounts | 1986 |
| LITTÉRATURE | Simple Applications of the Amstrad CPCs for Writers | 1986 |
| APPLICATIONS | Simple Drawing Program (The Amstrad User) | 1985 |
| GAMELIST | Simple Simon | 1985 |
| APPLICATIONS | Simple Words | 1988 |
| GAMELIST | Simply Magic | 1987/1990/ |
| APPLICATIONS | Simpson s rule or the Trapezium rule (Amstrad Action) | 1992 |
| DEMOSCENE | Sims Eagle Intro 3 | 1989 |
| APPLICATIONS | Simulated Ikon Control - Joystick Or Cursor Keys (The Amstrad User) | 1985 |
| APPLICATIONS | Sine-Wave Writing | 1987 |
| DEMOSCENE | Sing alonga CPC (Computing With the Amstrad) | 1988 |
| APPLICATIONS | Singer (Amstrad Computer User) | 1990 |
| GAMELIST | Sir Ababol | 2010 |
| GAMELIST | Sir Ababol II: The Ice Palace
Sir Ababol 2: The Ice Palace | 2016 |
| GAMELIST | Sir Ababol NES-OM Edition | 2018/2020 |
| GAMELIST | Sir Lancelot: Knights of the Round Table | 1984 |
| APPLICATIONS | Siren Software - Copy Tape | 1985 |
| APPLICATIONS | Siren Software - Discovery 1 | 198x |
| APPLICATIONS | Siren Software - Pc - Trans | 1992/1990 |
| APPLICATIONS | Siren Software - Tape Utilities | 1985 |
| APPLICATIONS | Siren Software - Turbolocks | 198x |
| GAMELIST | Sirwood | 1990 |
| GAMELIST | Sitting Target (Disk 50) | 1986 |
| LITTÉRATURE | Sixty Programs For the Amstrad CPC464 (Amstrad Computer User) | 1985 |
| GAMELIST | Sizzler! | 1990 |
| CODING | SjASM | |
| CODING | SjASMPlus Z80 Cross-Assembler | 2004/2005/2006 |
| GAMELIST | Skate Crazy | 1988 |
| GAMELIST | Skate Or Die | 1989 |
| GAMELIST | Skate Rock
Skate Rock Simulator | 1987 |
| GAMELIST | Skateball
Skate Ball
Skate Wars | 1989 |
| GAMELIST | Skateboard Joust | 1988 |
| GAMELIST | Skateboard Kidz | 1988 |
| GAMELIST | Skatin' USA | 1990 |
| GAMELIST | Skeetshoot (Gx4000)
Test CPCrulez Par Hermol | 1990 |
| APPLICATIONS | Sketch Etch (The Amstrad Games Book) | 1984 |
| APPLICATIONS | Sketchpad | 1987 |
| GAMELIST | Skifften
Skiff10 | 2020 |
| GAMELIST | SkillTeam | 2025 |
| GAMELIST | Skippy | 1984 |
| GAMELIST | Skoda Simulator | 1991/1992/1993 |
| GAMELIST | Skool Daze | 1984/2015 |
| GAMELIST | Skool Time | 1985 |
| GAMELIST | Skulduggery
Skullduggery | 1985 |
| GAMELIST | Skull | 1992 |
| GAMELIST | Skull And Crossbones
Skull & Crossbones | 1991 |
| GAMELIST | Skull Castle | 19xx |
| DEMOSCENE | Skulls (Amstrad Computer User) | 19xx |
| DEMOSCENE | Skulls (Amstrad Computer User) | 1990 |
| GAMELIST | Skweek | 1989 |
| GAMELIST | Sky Drop | 1984 |
| GAMELIST | Sky War | 1992 |
| GAMELIST | Sky War Part 1 | 1992 |
| GAMELIST | Sky War Part 2 | 1992 |
| GAMELIST | Skycapers | 1985 |
| APPLICATIONS | Skycom ROM | 1986 |
| GAMELIST | Skyfox | 1985 |
| GAMELIST | Skyshift  | 2026 |
| HARDWARE | Skywave RS232 | 1985 |
| GAMELIST | Slaine: The Celtic Barbarian | 1988 |
| GAMELIST | Slap Fight | 1987 |
| GAMELIST | Slapshot | 1985 |
| GAMELIST | Sleepwalker PDS - The Logic Disc | 199x |
| GAMELIST | Sleepwalker PDS Games Disc #1 | 199x |
| GAMELIST | Sleepwalker PDS Games Disc #10 | 199x |
| GAMELIST | Sleepwalker PDS Games Disc #14 | 199x |
| GAMELIST | Sleepwalker PDS Games Disc #16 | 199x |
| GAMELIST | Sleepwalker PDS Games Disc #17 | 199x |
| GAMELIST | Sleepwalker PDS Games Disc #30 | 199x |
| APPLICATIONS | Sleepwalker PDS Serious Disc #12 | 199x |
| APPLICATIONS | Sleepwalker PDS Serious Disc #9 | 199x |
| GAMELIST | Sleepwalker PDS Something Good | 199x |
| GAMELIST | Slide Panic | 2023 |
| APPLICATIONS | Slide viewer | 1990 |
| GAMELIST | Sliders | 1991 |
| GAMELIST | Sliding Block Puzzle | 1985 |
| GAMELIST | Sliding Block Puzzle
Slide Show | 1989 |
| GAMELIST | Sliding Puzzle (Computer Challenges for the Amstrad) | 1985 |
| GAMELIST | Slightly Magic | 1991 |
| APPLICATIONS | Slim Characters (Computing With the Amstrad) | 1987 |
| GAMELIST | Slimy (37th @ CPCRetroDev 2020) | 2020 |
| GAMELIST | Slither | 2017 |
| GAMELIST | Slot5 Simulator | 1991 |
| APPLICATIONS | SLR Z-80 Assembler | 1983 |
| APPLICATIONS | SLR Z-80 Disassembler | 1983 |
| GAMELIST | Slug | 1988 |
| GAMELIST | Sly Spy Secret Agent | 1990 |
| GAMELIST | Small Business | 1986/1985 |
| APPLICATIONS | Small Business Accounts | 1990 |
| APPLICATIONS | Small Business Accounts & V.A.T | 1987 |
