| M*A*S*H (1983) | 54,634,523 | 745 |
| M.A.C.H. (2007) | 641,917 | 82 |
| M.A.C.H. 3 (1983) | 430,417 | 107 |
| M.A.R.S. (2021) | 5,892,004 | 1,229 |
| M.A.R.S.S. (2021) | 103,233 | 13 |
| M.A.S.S. Builder (2019) | 3,076,916 | 1,839 |
| M.A.V. (2014) | 5,937,425 | 626 |
| M.C. Kids (1992) | 7,659,074 | 904 |
| M.I.A.: Mission in Asia (2011) | 224,649 | 18 |
| M.O.O.D.S. (2024) | 876,697 | 130 |
| M.U.D. TV (2010) | 61,105 | 51 |
| M.U.L.E. (1983) | 2,824,212 | 234 |
| M.U.L.E. Returns (2013) | 3 | 2 |
| M.U.S.H.A. (1990) | 3,638,617 | 1,144 |
| The M/S Cornelia II Incident (2025) | 312 | 2 |
| The m0rg VS keys (2018) | 25 | 1 |
| M1 Tank Platoon (1989) | 37,747 | 27 |
| M1 Tank Platoon II (1998) | 177,245 | 14 |
| M2AF: Message to all Friends (2011) | 82,925 | 4 |
| M3 - Molesting the Match-3 Market (2007) | 50 | 1 |
| M: Alien Paranoia (2000) | 69,582 | 48 |
| Maabus (1994) | 23,367 | 12 |
| Mabinogi (2004) | 126,155,601 | 43,153 |
| maboroshi caravan (2023) | 58 | 1 |
| MaBoShi: The Three Shape Arcade (2008) | 26,897 | 23 |
| Mac Biskwi Adventures (2022) | 2,188 | 30 |
| Macabre Mysteries: Curse of the Nightingale (2011) | 129,948 | 75 |
| Macadam Bumper (1985) | 10,983 | 21 |
| MacArthur's War: Battles for Korea (1988) | 998 | 4 |
| Macau Midnight Madness (2024) | 2 | 2 |
| Macbat 64 (2017) | 102,343 | 363 |
| Mace Griffin: Bounty Hunter (2003) | 606,129 | 677 |
| Mace: The Dark Age (1997) | 2,257,565 | 736 |
| MacGuffin's Curse (2012) | 35,053 | 55 |
| Mach 3 (1987) | 34,601 | 18 |
| Mach Breakers: Numan Athletics 2 (1994) | 939,662 | 109 |
| Mach Rider (1985) | 1,460,531 | 680 |
| Mach Storm (2013) | 84,035 | 68 |
| Mach Wing (2024) | 5,182 | 5 |
| Machi (1998) | 1,192,312 | 1,848 |
| Machi Knights: Blood Bagos (2018) | 94,900 | 102 |
| MACHI KORO With Everyone (2024) | 715 | 11 |
| Machi: Above the Void (2023) | 124 | 2 |
| Machiavelli the Prince (1995) | 11,945 | 21 |
| MachiaVillain (2018) | 6,214,675 | 1,250 |
| Machina Blade (2022) | 9,630 | 29 |
| Machina of the Planet Tree -Unity Unions- (2020) | 124,087 | 192 |
| Machinarium (2009) | 78,280,411 | 8,745 |
| Machinations: Fog of War (2016) | 534 | 1 |
| Machine Armor Zero (2024) | 417 | 3 |
| Machine Gun Fury (2022) | 0 | 0 |
| Machine Gun Train Run (2016) | 2,535 | 18 |
| Machine Head (1996) | 339,936 | 180 |
| Machine Hell (2005) | 35 | 1 |
| Machine Hunter (1997) | 136,784 | 130 |
| Machine Knight (2013) | 1,392,764 | 141 |
| MachineCraft (2016) | 238,995 | 94 |
| Machineers (2014) | 8,394 | 11 |
| MachineryWorld (2021) | 0 | 0 |
| The Machines Arena (2021) | 73,487 | 137 |
| Machines at War (2007) | 2,858 | 2 |
| Machines at War 3 (2012) | 168,113 | 56 |
| Machinicide (2025) | 5,993 | 10 |
| Machinika Museum (2021) | 1,261,886 | 974 |
| Machinika: Atlas (2024) | 62,226 | 195 |
| Machop at Work (2002) | 557 | 4 |
| Machorium -Muscle Aquarium Simulator (2024) | 127,671 | 12 |
| MacRomeo and Julius (2016) | 134,644 | 4 |
| Macross 30: Voices across the Galaxy (2013) | 2,552,781 | 455 |
| Macross Ace Frontier (2008) | 240,680 | 77 |
| Macross Triangle Frontier (2011) | 351,671 | 204 |
| Macross Ultimate Frontier (2009) | 167,906 | 42 |
| Macross VF-X 2 (2000) | 129,805 | 163 |
| Macross: Eternal Love Song (1992) | 38,568 | 18 |
| Macross: Scrambled Valkyrie (1993) | 342,590 | 274 |
