| Monochrome Horror | Air Bolt | | No reviews. | 70 |
| Monster Town | Bugspray | |
| 65 |
| Moogle World 1-3 | Hunter9656 | |
| 74 |
| Morning Star (ver. 1.0c) | NoahSoft ◪ | 2008-01-06 |
| 308 |
| Morphic Fighting | Hunter9656 | |
| 64 |
| Most Meaningless Game in the World 5, The | JDewbre | 1996-10-14 | No reviews. | 91 |
| Most Meaningless Game in the World 6, The (ver. Fixed) | JDewbre | 1997-03-02 |
| 208 |
| Mostly Morphine Powder Strangers | Baby Bonnie Hood ◪ | 2012-04-27 |
| 98 |
| Motorbike Racing! | ???? | |
| 63 |
| Mr. Big Hat's Fantastic Day at the Beach | cornsalt ◪ | 2001-12-02 |
| 62 |
| Muffin's Squeak Squad | CHAOS 256 Colors | 2018-08-01 |
| 35 |
| Musings (ver. 1.1337) | asgromo / NoahSoft / Kom | 2008-06-23 | No reviews. | 82 |
| Mutagenesis | Phantom Laser | |
| 52 |
| Mutant Warzone (ver. Beta 3) | Robot ◪ | 2011-02-10 |
| 57 |
| My Life as a Mad Scientist | Aussie Evil ◪ | 2003-09-20 | No reviews. | 67 |
| Mystic Ruby | Evan Wolbach | |
| 65 |
| Mystical Magical Bean Isle, The (ver. 1.03) | Andrew Lusk | 1997-02-16 | No reviews. | 42 |
| Mystical Winds Tetris | Nanobot ◪ | 2001-12-11 |
| 83 |
| Mystik | Castlevania ◪ | |
| 68 |
| MZine Issues #1-#5 | Sai'ke ◪ | | No reviews. | 65 |
| MZX Adventure RPG | ThDPro ◪ | 2012-12-10 |
| 181 |
| MZX Combat Trainer | Arctic Fusion | |
| 249 |
| MZX Deathmatch | GetDizzy ◪ | 2016-08-16 | No reviews. | 55 |
| MZX Fighter | Eddy O'Malley | |
| 71 |
| MZX Internet (ver. 1.5) | ZzCrook ◪ | 1999-06-07 |
| 81 |
| MZX Maze Land | CountRedBeard ◪ | 2007-12-29 |
| 71 |
| MZX Miner (ver. 1.4) | Kom ◪ | 2007-06-21 |
| 82 |
| MZX Paint | ZZTRaider / Frozen41 / Person32 | |
| 66 |
| MZX Quiz Show | weasel ◪ | |
| 72 |
| MZX Racing | Nedemai ◪ | 2005-03-15 |
| 110 |
| MZX RPG | mixaM | |
| 73 |
| MZX Su Doku | FuriKuri ◪ | 2005-12-22 | No reviews. | 65 |
| MZX Target Practice (ver. Complete) | -MegaZzZeux- ◪ | 2002-07-11 |
| 88 |
| MZX Tetris | asterick ◪ | |
| 188 |
| MZX World (demo) | T-Bone ◪ | 2013-12-12 | No reviews. | 16 |
| MZXPeople | hayashi ◪ | |
| 54 |
