| Monster Truck Madness 2 (1998) | 931,447 | 586 |
| Monster Truck Madness 64 (1999) | 51 | 1 |
| Monster Truck Rally (1991) | 582,795 | 114 |
| Monster Truck Wars (1994) | 363 | 1 |
| Monster Truck XT Airport Derby (2018) | 317,436 | 128 |
| Monster Trucks (2004) | 1,186,827 | 285 |
| Monster Trucks Mayhem (2006) | 101,561 | 41 |
| Monster Trucks Nitro (2008) | 1,845,658 | 98 |
| Monster Trucks Nitro 2 (2010) | 1,323,651 | 15 |
| Monster Trux: Arenas (2007) | 14,769 | 42 |
| The Monster Under Your Skin (2022) | 502 | 6 |
| Monster Viator (2020) | 18,895 | 69 |
| Monster World IV (1994) | 1,313,709 | 1,343 |
| Monster! Bass Fishing (2002) | 5,289 | 14 |
| MonsterBag (2015) | 161,429 | 37 |
| MonsterBusters: Match 3 Puzzle (2013) | 241,156 | 605 |
| MonsterMatch (2008) | 695 | 6 |
| Monstermind (2012) | 634,016 | 20 |
| MonsterMMORPG (2009) | 980,332 | 1,073 |
| Monsters and Monocles (2016) | 213,738 | 132 |
| Monsters and Spirits (2023) | 0 | 0 |
| Monsters Ate My Condo (2011) | 162,675 | 27 |
| Monsters Domain (2024) | 1,464 | 15 |
| Monsters in Hell (1983) | 1,753 | 5 |
| Monsters Loot Swag (2022) | 170 | 2 |
| Monsters of Little Haven (2019) | 189,649 | 103 |
| Monsters of Mican (2024) | 110 | 1 |
| Monsters vs. Aliens (2009) | 285,763,869 | 2,200 |
| Monsters' Den (2007) | 21,627 | 71 |
| Monsters' Den: Godfall (2017) | 60,210 | 87 |
| The Monsters' History Book (2018) | 2,624 | 4 |
| Monsters, Inc. (2001) | 338,449,689 | 6,598 |
| Monsters, Inc. Scream Arena (2002) | 1,772,637 | 178 |
| Monsters, Inc. Scream Team (2001) | 2,695,941 | 788 |
| Monsters: Room Maze (2022) | 62,850 | 22 |
| MonsterSoft (2020) | 23 | 2 |
| MonsterStone: Prelude (2022) | 111 | 29 |
| Monsti (2016) | 8,159 | 10 |
| Monstir Iradicator (2022) | 471 | 3 |
| Monstro: Battle Tactics (2015) | 4,079 | 22 |
| The Monstrous Frontier (2022) | 836 | 1 |
| Monstrous Love (2023) | 1,727 | 6 |
| Monstrous Molecules (2020) | 59 | 3 |
| Monstrum (2015) | 154,886,395 | 9,187 |
| Monte Carlo (1980) | 6,277 | 15 |
| Monte Carlo (1987) | 3,108 | 6 |
| Monte Carlo Casino (1989) | 60,600 | 24 |
| MonteCrypto: The Bitcoin Enigma (2018) | 21,668 | 19 |
| Montezuma's Return! (1997) | 210,374 | 149 |
| Montezuma's Revenge (1983) | 7,072,951 | 597 |
| Montopia (2012) | 26,092 | 3 |
| Monty Is Innocent (1985) | 4,802 | 12 |
| Monty on the Run (1985) | 682,170 | 212 |
| Monty Python's Cow Tossing (2011) | 16,199 | 2 |
| Monty Python's Flying Circus: The Computer Game (1990) | 70,484 | 76 |
| Monty's Christmas Special (2007) | 2,418 | 2 |
| Monument Valley (2014) | 291,549,446 | 5,599 |
| Monument Valley 2 (2017) | 9,457,545 | 2,701 |
| Monumental Failure (2017) | 5,623,814 | 139 |
| Monuments Flipper (2022) | 408,176 | 657 |
| Monuments of Mars (1991) | 15,401 | 78 |
| Monzo (2014) | 1,061,986 | 179 |
| Moo at the Moon (2007) | 65 | 1 |
| Moo Lander (2019) | 3,459 | 22 |
| Moo Lander (2022) | 291,768 | 445 |
| The Moogies (2011) | 171 | 2 |
| Moolii's Dreamland (2021) | 84,178 | 69 |
| Moon (2009) | 16,193,774 | 1,535 |
| Moon Alert (1984) | 10,535 | 10 |
| Moon Ball Magic (1988) | 0 | 0 |
| Moon Blaster (1990) | 3,008 | 15 |
| Moon Breakers (2012) | 1,074,650 | 110 |
| Moon Caves (2021) | 205,651 | 65 |
| Moon Corp. Tower Defense (2023) | 680 | 6 |
| Moon Cresta (1980) | 947,634 | 394 |
