| Momodora V (2018) | 52,192 | 23 |
| Momodora: Moonlit Farewell (2024) | 393,863 | 1,396 |
| Momodora: Reverie Under the Moonlight (2016) | 7,318,700 | 6,969 |
| Momoiro Closet (2018) | 76,447 | 71 |
| Momolu and Friends (2020) | 3,026 | 3 |
| Momotaro Dengeki 2: Momotaro Thunderbolt (1994) | 212 | 2 |
| Momotaro Dentetsu (1988) | 347,084 | 408 |
| Momotaro Dentetsu HAPPY (1996) | 407,835 | 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) | 225,256,405 | 14,550 |
| Momotaro Dochuki (1997) | 86,872 | 123 |
| Momotarou Densetsu Gaiden (1992) | 695,100 | 384 |
| Momotarou Dentetsu WORLD (2010) | 2,231,651 | 1,013 |
| Mon Amour (2021) | 6,418,075 | 486 |
| Mon Bazou (2021) | 133,489,472 | 9,180 |
| Mon-Musu Master (2022) | 0 | 0 |
| Mon-Musu Quest (2022) | 135,487 | 27 |
| Monaco GP (1979) | 8,491,291 | 423 |
| Monaco Grand Prix (1998) | 11,651,613 | 738 |
| Monaco: What's Yours is Mine (2013) | 2,384,932 | 1,281 |
| Monads (2019) | 45,401 | 26 |
| Monads II (2022) | 3,049 | 6 |
| The Monarch: First Light (2024) | 301 | 11 |
| Monarch: The Butterfly King (2007) | 4,087 | 5 |
| Monark (2021) | 210,226,065 | 7,278 |
| Monastery (2023) | 3,986,921 | 832 |
| Moncage (2021) | 2,642,478 | 409 |
| MonCon (2023) | 1,766 | 30 |
| Monday Meltdown (2024) | 3,144 | 37 |
| Monday Night Combat (2010) | 4,279,629 | 982 |
| Mondealy (2021) | 222,335 | 367 |
| Mondo Agency (2007) | 77,401 | 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) | 16,222,378 | 1,306 |
| The Money Game II: Kabutochou no Kiseki (1989) | 62 | 3 |
| Money Honey! (2021) | 830,624 | 217 |
| Money Makes Money (2019) | 44 | 3 |
| Money Puzzle Exchanger (1997) | 254,709 | 505 |
| Money Simulator (2025) | 979,677 | 177 |
| Money Tree (2008) | 10,996,769 | 198 |
| Mongrel Games Minigames (2022) | 12 | 1 |
| Moni Mons (2024) | 0 | 0 |
| Monica e a Guarda dos Coelhos (2018) | 1,177,126 | 49 |
| Monitor Puzzle Kineko: Kinetic Connection (1986) | 0 | 0 |
| Monitor Puzzle Kineko: Kinetic Connection Vol. II (1987) | 8 | 1 |
| Monkey Barrels (2019) | 217,238 | 258 |
| Monkey Bash (2009) | 10,849 | 5 |
| Monkey Bizness (1983) | 1,123 | 4 |
| Monkey Brains (2001) | 42,527 | 48 |
| Monkey Hero (1999) | 228,107 | 227 |
| Monkey Island 2: LeChuck's Revenge (1991) | 21,162,481 | 9,058 |
| The Monkey King (2008) | 71,611,738 | 2,380 |
| Monkey King: Hero is Back (2019) | 9,522,221 | 2,898 |
| Monkey King: Master of the Clouds (1989) | 49,739 | 52 |
| The Monkey King: The Legend Begins (2007) | 0 | 0 |
| Monkey Magic (1979) | 46,736 | 50 |
| Monkey Magic (1999) | 447,721 | 322 |
| Monkey Math (2024) | 4,187 | 4 |
| Monkey Mischief: Party Time (2008) | 45,113 | 26 |
| Monkey Puncher (2000) | 17,484 | 58 |
| Monkey Quest (2011) | 933,914 | 187 |
| Monkey Splash!! (2023) | 229 | 2 |
| Monkey Split (2021) | 395 | 4 |
| Monkey Tag Arena (2024) | 0 | 0 |
| Monkeys & Dragons (2019) | 3,005 | 13 |
| Monmusu Gladiator (2021) | 15,115 | 87 |
| Mono ya Okane no Shikumi DS (2009) | 2,725 | 7 |
| Monobeno (2018) | 82,328 | 148 |
| Monobot (2021) | 388,452 | 348 |
| monoch room (2024) | 24 | 1 |
