| Monster Tale (2011) | 716,657 | 518 |
| Monster Train (2020) | 28,823,258 | 19,877 |
| Monster Train 2 (2025) | 602,334 | 738 |
| Monster Train First Class (2021) | 103,552 | 28 |
| Monster Tribe (2023) | 55,110 | 67 |
| Monster Truck Championship (2020) | 2,387,968 | 1,580 |
| Monster Truck Madness (1996) | 585,239 | 360 |
| Monster Truck Madness (2003) | 97,547 | 86 |
| Monster Truck Madness 2 (1998) | 859,031 | 562 |
| Monster Truck Madness 64 (1999) | 379,586 | 235 |
| Monster Truck Rally (1991) | 636,365 | 167 |
| Monster Truck Wars (1994) | 227,018 | 71 |
| Monster Truck XT Airport Derby (2018) | 348,774 | 121 |
| Monster Trucks (2004) | 2,548,178,810 | 26,085 |
| Monster Trucks Mayhem (2006) | 107,928 | 102 |
| Monster Trucks Nitro (2008) | 2,053,309 | 110 |
| Monster Trucks Nitro 2 (2010) | 1,145,696 | 14 |
| Monster Trux: Arenas (2007) | 17,528 | 78 |
| The Monster Under Your Skin (2022) | 502 | 6 |
| Monster Viator (2020) | 63,583 | 90 |
| Monster Waifu (2023) | 0 | 0 |
| Monster World IV (1994) | 1,449,994 | 1,550 |
| Monster! Bass Fishing (2002) | 5,179 | 13 |
| MonsterBag (2015) | 121,767 | 34 |
| MonsterBusters: Match 3 Puzzle (2013) | 81,107 | 566 |
| MonsterMatch (2008) | 196 | 4 |
| Monstermind (2012) | 647,240 | 17 |
| MonsterMMORPG (2009) | 1,444,284 | 1,177 |
| Monsters & Magics: Digital Card Game (2025) | 0 | 0 |
| Monsters and Monocles (2016) | 212,882 | 124 |
| Monsters and Spirits (2023) | 521 | 2 |
| Monsters Ate My Condo (2011) | 59,298 | 24 |
| Monsters Domain (2024) | 412,844 | 296 |
| Monsters in Hell (1983) | 1,745 | 4 |
| Monsters Loot Swag (2022) | 570 | 8 |
| Monsters of Little Haven (2019) | 202,032 | 123 |
| Monsters of Mican (2024) | 6,460 | 20 |
| Monsters vs. Aliens (2009) | 298,484,542 | 2,867 |
| Monsters' Den (2007) | 17,555 | 47 |
| Monsters' Den: Godfall (2017) | 100,747 | 208 |
| The Monsters' History Book (2018) | 2,624 | 4 |
| Monsters, Inc. (2001) | 214,736,403 | 4,157 |
| Monsters, Inc. Scream Arena (2002) | 1,138,855 | 196 |
| Monsters, Inc. Scream Team (2001) | 2,950,884 | 1,188 |
| Monsters: Room Maze (2022) | 275,985 | 60 |
| MonsterSoft (2020) | 16 | 1 |
| MonsterStone: Prelude (2022) | 112 | 29 |
| Monsti (2016) | 6,971 | 12 |
| Monstir Iradicator (2022) | 471 | 3 |
| Monstro: Battle Tactics (2015) | 5,852 | 26 |
| Monstronomy (2024) | 9,806 | 24 |
| The Monstrous Frontier (2022) | 1,033 | 1 |
| Monstrous Love (2023) | 1,771 | 6 |
| Monstrous Molecules (2020) | 104 | 4 |
| Monstrum (2015) | 171,578,970 | 11,473 |
| Monsuta (2024) | 265 | 3 |
| The Montana Chronicles: Montana's Croatoa (2017) | 0 | 0 |
| Montaro (2016) | 810,457 | 230 |
| Monte Carlo (1980) | 6,635 | 18 |
| Monte Carlo (1987) | 645,775 | 79 |
| Monte Carlo Casino (1989) | 57,453 | 31 |
| MonteCrypto: The Bitcoin Enigma (2018) | 36,474 | 26 |
| Monterey Jack (2026) | 116 | 3 |
| Montezuma's Return! (1997) | 211,970 | 158 |
| Montezuma's Revenge (1983) | 7,058,248 | 693 |
| Montezuma's Revenge (2025) | 27,234 | 25 |
| Montopia (2012) | 25,465 | 2 |
| Monty Is Innocent (1985) | 4,802 | 11 |
| Monty on the Run (1985) | 735,886 | 232 |
| Monty Python's Cow Tossing (2011) | 16,199 | 2 |
| Monty Python's Flying Circus: The Computer Game (1990) | 51,609 | 74 |
| Monty's Christmas Special (2007) | 2,418 | 2 |
| Monument Valley (2014) | 295,898,527 | 8,053 |
| Monument Valley 2 (2017) | 15,301,265 | 3,387 |
| Monument Valley 3 (2025) | 5,027 | 25 |
