| Amstrad CPC cass. |  Master Chess Model MB1 | 1984 | Mikro-Gen UK |
| Amstrad CPC cass. | Master Chess Model SOFT 125 | 1984 | Amsoft |
| Amstrad CPC cass. | Master Chess Model SOFT 225 | 1984 | Amsoft |
| Amstrad CPC cass. | Master of the Lamps Model UQK 116 | 1985 | Activision, Inc. Mountain View, CA, USA 47875 |
| Amstrad CPC cass. | Mastercalc 464 Model AMC-510 | 1985 | Indescomp Spain |
| Amstrad CPC cass. | Mastercalc 464 Model SOFT 905 | 1985 | Amsoft |
| Amstrad CPC cass. | Masterchess Model IA0147 | 1987 | Mastertronic, Ltd. UK 012967 |
| Amstrad CPC cass. | Masterfile Model SOFT 464 | 1984 | Amsoft |
| Amstrad CPC cass. | Masterfile Model SOFT 914 | 1984 | Amsoft |
| Amstrad CPC cass. | Masters of the Universe | 1987 | Kixx 013442 |
| Amstrad CPC cass. | Masters of the Universe - The Movie | 1987 | Gremlin Graphics Soft., Ltd. 013658 |
| Amstrad CPC cass. | Masters of the Universe The Movie | 1987 | Erbe Soft. Spain |
| Amstrad CPC cass. | Mata Hari Model 22452 | 1988 | Proein Soft Line Spain |
| Amstrad CPC cass. | Match Day | 1985 | Ocean Soft., Ltd. 13156 |
| Amstrad CPC cass. |  Match Day | 1985 | Erbe Soft. Spain |
| Amstrad CPC cass. | Match Day II | 1987 | Erbe Soft. Spain |
| Amstrad CPC cass. | Match Day II Model 012037 | 1987 | Ocean Soft., Ltd. 13156 |
| Amstrad CPC cass. | Match Point Model EN-M1-G30C | 1985 | Psion |
| Amstrad CPC cass. | Matematicas - 7.° E. G. B. | 1986 | Centro Pedagogico De Informatica Madrid, Spain |
| Amstrad CPC cass. | Mathe-Star | 1985 | Star-Division |
| Amstrad CPC cass. | Maths 'O' Level Revision I | 1984 | Shield Soft. |
| Amstrad CPC cass. | Max Headroom Model 140019 | 1986 | Mind Games Espana, S.A. |
| Amstrad CPC cass. | Max Headroom Model QSA 124 | 1986 | Quicksilva |
| Amstrad CPC cass. | Mayhem | 1985 | Amsoft |
| Amstrad CPC cass. | Maze Mania Model 080444 | 1989 | Hewson Consultants, Ltd. England 012635 |
| Amstrad CPC cass. | Maze Mania Model AM 565 | 1989 | Erbe Soft. Spain |
| Amstrad CPC cass. | Maziacs | 2013 | Unknown |
| Amstrad CPC cass. | Mazie Model A032 | 1988 | Zeppelin Games |
| Amstrad CPC cass. | Mazy Hb | 2022 | Inufuto |
| Amstrad CPC cass. | Meddler | 1985 | Nemesis |
| Amstrad CPC cass. | Mega 4 | 1991 | Erbe Soft. Spain |
| Amstrad CPC cass. | Mega Mix | 1989 | Ocean Soft., Ltd. 13156 |
| Amstrad CPC cass. | Mega Phoenix | 1991 | Dinamic Soft. Madrid, Spain |
| Amstrad CPC cass. | Mega-Apocalypse | 1988 | Erbe Soft. Spain |
| Amstrad CPC cass. | Megachess Model AMC-618 | 1988 | Iber Soft. Spain |
| Amstrad CPC cass. | Megacorp Model AMS870007 | 1987 | Dinamic Soft. Madrid, Spain |
| Amstrad CPC cass. | Megacorp Model IB-A-029 | 1987 | Dinamic Soft. Madrid, Spain |
| Amstrad CPC cass. | Megamania | 1991 | UBI Soft Creteil, France 307211 |
| Amstrad CPC cass. | Meganova Model AS 701 | 1988 | Alternative Soft., Ltd. |
| Amstrad CPC cass. | Meganova Moel AMS880016 | 1988 | Dinamic Soft. Madrid, Spain |
