| Moley Christmas (1987) | 8,638 | 19 |
| MoleZ (1999) | 11,789 | 3 |
| Mollycoddle Mayhem (2022) | 78,465 | 10 |
| Moloko (2021) | 10 | 1 |
| Molytropia: Cloud in Shape of Hurt (2022) | 910 | 14 |
| momatron (2023) | 696 | 6 |
| The Moment of Silence (2004) | 3,304,392 | 1,280 |
| Momenta (2025) | 0 | 0 |
| Momento Temporis: Light from the Deep (2016) | 32,770 | 104 |
| Momentum (2016) | 43,326,305 | 1,270 |
| MOMIBOSU (2025) | 26,588 | 15 |
| Momo and the Mine (2024) | 5,906 | 15 |
| Momo Mother Bird: Final Story (2022) | 194,235 | 161 |
| Momo's Conflict (2022) | 151 | 1 |
| Momo's Eternal Adventure (2022) | 0 | 0 |
| MOMO.EXE (2018) | 10,158,730 | 183 |
| MOMO.EXE 2 (2018) | 8,594,085 | 51 |
| Momodora (2010) | 392,698 | 1,064 |
| Momodora II (2011) | 35,843 | 279 |
| Momodora III (2014) | 732,197 | 583 |
| Momodora V (2018) | 52,192 | 23 |
| Momodora: Moonlit Farewell (2024) | 402,023 | 1,557 |
| Momodora: Reverie Under the Moonlight (2016) | 7,332,442 | 7,140 |
| Momoiro Closet (2018) | 76,447 | 71 |
| Momolu and Friends (2020) | 3,026 | 3 |
| Momotaro Dengeki 2: Momotaro Thunderbolt (1994) | 212 | 2 |
| Momotaro Dentetsu (1988) | 6,888,504 | 638 |
| Momotaro Dentetsu HAPPY (1996) | 410,734 | 189 |
| Momotaro Dentetsu Jr.: Zenkoku Ramen Meguri no Maki (1998) | 0 | 0 |
| Momotaro Dentetsu: Showa (2020) | 2,435 | 3 |
| Momotaro Dentetsu: Showa, Heisei, Reiwa mo Teiban! (2020) | 225,554,962 | 14,602 |
| Momotaro Dochuki (1997) | 86,872 | 123 |
| Momotarou Densetsu Gaiden (1992) | 695,106 | 385 |
| Momotarou Dentetsu WORLD (2010) | 2,231,654 | 1,013 |
| Mon Amour (2021) | 6,418,270 | 489 |
| Mon Bazou (2021) | 136,248,178 | 9,731 |
| Mon-Musu Master (2022) | 0 | 0 |
| Mon-Musu Quest (2022) | 135,487 | 27 |
| Monaco GP (1979) | 8,610,247 | 455 |
| Monaco Grand Prix (1998) | 11,677,180 | 777 |
| Monaco: What's Yours is Mine (2013) | 2,392,074 | 1,307 |
| Monads (2019) | 79,816 | 38 |
| Monads II (2022) | 3,049 | 6 |
| The Monarch: First Light (2024) | 301 | 11 |
| Monarch: The Butterfly King (2007) | 4,087 | 5 |
| Monark (2021) | 213,603,292 | 7,408 |
| Monastery (2023) | 4,683,027 | 935 |
| Moncage (2021) | 2,642,834 | 415 |
| MonCon (2023) | 1,766 | 30 |
| Monday Meltdown (2024) | 3,487 | 41 |
| Monday Night Combat (2010) | 4,285,902 | 986 |
| Mondealy (2021) | 226,091 | 386 |
| Mondo Agency (2007) | 77,566 | 7 |
| Mondo Medicals (2007) | 273,945 | 19 |
| Mondrian - Abstraction in Beauty (2015) | 694 | 7 |
| Mondrian - Plastic Reality (2020) | 286 | 3 |
| Mondrian Squares (2021) | 0 | 0 |
| Monet: The Mystery of the Orangery (2000) | 1,267 | 2 |
| The Money Game (1988) | 16,279,441 | 1,353 |
| The Money Game II: Kabutochou no Kiseki (1989) | 62 | 3 |
| Money Honey! (2021) | 835,150 | 219 |
| Money Makes Money (2019) | 44 | 3 |
| Money Puzzle Exchanger (1997) | 286,452 | 520 |
| Money Simulator (2025) | 4,930,152 | 401 |
| Money Trails (2026) | 0 | 0 |
| Money Tree (2008) | 11,007,417 | 203 |
| Mongrel Games Minigames (2022) | 12 | 1 |
| Moni Mons (2024) | 0 | 0 |
| Monica e a Guarda dos Coelhos (2018) | 1,177,139 | 49 |
| Monitor Puzzle Kineko: Kinetic Connection (1986) | 0 | 1 |
| Monitor Puzzle Kineko: Kinetic Connection Vol. II (1987) | 8 | 1 |
| Monitor State (2026) | 0 | 0 |
| Monitoring (2025) | 58,730 | 14 |
| Monitoring All Night (2024) | 0 | 0 |
| Monkey Barrels (2019) | 217,506 | 263 |
