| GAMELIST | Mega-War | 198x |
| GAMELIST | Mega Twins Megatwins | 1991 |
| GAMELIST | Mega Phoenix | 1991 |
| DEMOSCENE | Mega Music | 1990 |
| GAMELIST | Mega Maths 2 | 1985 |
| GAMELIST | Mega Maths 1 | 1985 |
| DEMOSCENE | Mega Gamble Demo PREVIEW | 1990 |
| APPLICATIONS | Mega Cruncher | 1989 |
| GAMELIST | Mega Apocalypse Mega-Apocalypse | 1988 |
| DEMOSCENE | Meeting at da Silva of Treble A | 19xx |
| GAMELIST | Medieval Brawl (29th @ CPCRetroDev 2019) | 2019 |
| DEMOSCENE | MCS & ICS Demo 1 | 1989 |
| APPLICATIONS | Mcrash | 1990 |
| DEMOSCENE | MBS Records Digi Demo (The Best of Computer Mix Tracks Done by Erik Heneka Volume 1) | 19xx |
| GAMELIST | Mazy2 | 2025 |
| GAMELIST | Mazy | 2022 |
| GAMELIST | Mazist v2 | 2020 |
| GAMELIST | Mazie | 1988 |
| GAMELIST | Maziacs | 1983/2013 |
| GAMELIST | Maze (Amstrad Computer User) | 1990 |
| GAMELIST | Maze-Glider | 1989/1988 |
| GAMELIST | Maze Maniac El Maniaco Del Laberinto | 1984 |
| GAMELIST | Maze Mania Mazemania | 1989 |
| GAMELIST | Maze Eater (Disk 50) | 1986 |
| APPLICATIONS | Maze Draw (Your Computer) | 198x |
| GAMELIST | Maze Adventure (10th @ CPCRetroDev 2016) | 2016 |
| GAMELIST | Maze (Dirk Baumert/CPC Amstrad International) | 1987 |
| GAMELIST | Maze | 1987/1990 |
| GAMELIST | Maze | 201x |
| GAMELIST | Mayhem | 2023/1987 |
| GAMELIST | Mayday! | 1989 |
| APPLICATIONS | Maxi-Ram (Amstrad Action) | 1990 |
| GAMELIST | Maxi Maths (Geometry Age 9-15) Basic Geometry | 1986 |
| APPLICATIONS | Maxam (Arnor) | 1985 |
| APPLICATIONS | Maxam v1.5 ROM | 1985 |
| APPLICATIONS | Maxam Utilities (CPC Computing) | 1988 |
| APPLICATIONS | Maxam Turboass Convert | 1996 |
| APPLICATIONS | Maxam Monobloc | 1997 |
| APPLICATIONS | Maxam Assembler and expansion ROM board | 1985 |
| APPLICATIONS | Maxam 2 | 1986 |
| GAMELIST | Max Headroom | 1986 |
| APPLICATIONS | Max Desktop | 1987 |
| DEMOSCENE | MaVdelbrot | 2012 |
| GAMELIST | Matthews Country Club | 19xx |
| APPLICATIONS | Matrix: Spreadsheet Plus (ASL Software) | 1986 |
| CODING SRC'S | Matrix | 1987 |
| GAMELIST | Maths Table | 1985 |
| APPLICATIONS | Maths Stuff : Bar Graphs + Scatterplot + Pie Chart (Amstrad Action) | 1993 |
| GAMELIST | Maths Quiz | 1991 |
| GAMELIST | Maths o Level Revision 1 | 1984 |
| GAMELIST | Maths Master Plus | 19xx |
| GAMELIST | Maths Mania (Age 8-12) | 1987 |
| GAMELIST | Maths Booster Mathbooster | 1988 |
| GAMELIST | Maths (Ages 4-12) | 1986 |
| GAMELIST | Maths & Physics | 198x |
| GAMELIST | Maths 'O' Level Revision 2 | 1984 |
| GAMELIST | Maths 'O' Level Examiner | 1984 |
| DEMOSCENE | Mathias Rust Demo | 198x |
| GAMELIST | Mathematics Tutor (Amstrad Computer User) | 1989 |
| GAMELIST | Mathematics Revision | 1986 |
| APPLICATIONS | Mathematical Graph Plotter | 1986 |
| GAMELIST | Math-Quiz | 1990 |
| GAMELIST | Math Hopper | 198x |
| GAMELIST | Math Games 2 Maximum + Balloon Burster + Zoo Patrol | 1988 |
| GAMELIST | Math Games 1 Moon Bus+Factors Games+Escape | 1988 |
| GAMELIST | Matchmaker | 19xx |
| GAMELIST | Matchday 2 Match Day 2 Match Day II | 1988 |
| GAMELIST | Matchday 1 Match Day 1 | 1985 |
| DEMOSCENE | Masturbation mit mir Demo | 19xx |
| GAMELIST | Mastmind (Amstrad Computer User) | 1990 |
| APPLICATIONS | Mastertronic To Disk | 2000 |
| PEOPLES | Mastertronic to act after piracy claim (Popular Computing Weekly) | 1986 |
| GAMELIST | Masters of the Universe les Maitres de L'univers Masters del Universo | 1987/1986 |
| GAMELIST | Masters of the Univers | 1987 |
| GAMELIST | Masters of Mid-World | 1986 |
| GAMELIST | Mastermind (Robin Nixon) | 198x |
| GAMELIST | Mastermind | 1985 |
| LITTÉRATURE | Mastering the Amstrad Pcw 8256 - 8512 (Amstrad Computer User) | 1986 |
| LITTÉRATURE | Mastering Machine Code On Your Amstrad 464 - 664 - 6128 (Amstrad Computer User) | 1986 |
| APPLICATIONS | Masterfile Extension | 1985 |
| APPLICATIONS | Masterfile 8000 | 1987 |
| APPLICATIONS | Masterfile 464 | 1984 |
| APPLICATIONS | Masterfile 3 / Masterfile III | 1985/1986 |
| APPLICATIONS | Masterfile 128 | 1985 |
| GAMELIST | Masterchess (Mastertronic) | 1987 |
| APPLICATIONS | Mastercalc (Amsoft) | 1985 |
| APPLICATIONS | Mastercalc Extension System | 1985 |
| APPLICATIONS | Mastercalc 128 | 1986 |
| GAMELIST | Master-Mind (Your Computer) | 1986 |
| GAMELIST | Master Word | 1990 |
| GAMELIST | Master Piece Master Pieze | 2025 |
| APPLICATIONS | Master Paint | 1987 |
| GAMELIST | Master Of the Lamps | 1985 |
| LITTÉRATURE | Master Machine Code On Your Amstrad 464 - 664 (Amstrad Action) | 1985 |
| GAMELIST | Master Jewel (CPCRetroDev 2023) | 2023 |
| APPLICATIONS | Master Disc (Siren Software) | 1986 |
| GAMELIST | Master Chess Masterchess Ajedrez Echec et Mat Schach | 1984 |
| GAMELIST | Mask II Mask 2 | 1988 |
| GAMELIST | Mask 1 | 1987 |
| GAMELIST | Masarat khatira | 2024 |