| Marble Odyssey (2020) | 28,717 | 19 |
| Marble Parkour (2020) | 1,674 | 21 |
| Marble Run Maker (2026) | 0 | 0 |
| Marble Saga: Kororinpa (2009) | 340,034 | 317 |
| Marble Skies (2019) | 0 | 0 |
| Marble Smashers (2022) | 0 | 0 |
| Marble Void (2016) | 16,119 | 29 |
| Marble World (2021) | 10,228,746 | 175 |
| Marble World (2022) | 2,956,041 | 64 |
| Marbleous Blocks (2021) | 114 | 1 |
| Marbles on Stream (2018) | 15,713,784 | 4,949 |
| Marblesared (2017) | 13 | 3 |
| Marblous (2023) | 414 | 13 |
| Marcel Desailly Pro Soccer (2003) | 10,855 | 13 |
| Marcella Moon: Four Are Watching (2024) | 1,800 | 19 |
| Marcella Moon: Killer at the Cove (2023) | 2,949 | 9 |
| March Madness '98 (1998) | 1,321 | 18 |
| March of Empires (2015) | 5,179,606 | 949 |
| March of the Drunken Sailors (2023) | 1 | 1 |
| March of the Eagles (2013) | 5,148,552 | 728 |
| March of the Living (2016) | 6,450,997 | 690 |
| March of the Penguins (2006) | 529,422 | 46 |
| March to a Million (2017) | 505,229 | 139 |
| March! Offworld Recon (2003) | 35,094 | 8 |
| Marco & The Galaxy Dragon (2020) | 666,021 | 259 |
| Marco Entertainment (2025) | 103,305 | 14 |
| Mare (2019) | 55,753,139 | 1,305 |
| Mare Nostrum (2008) | 441,174 | 300 |
| Mare Nostrvm (2017) | 24,109 | 23 |
| The Mare of Jonah (2024) | 474,478 | 87 |
| The Mare Show (2025) | 127 | 1 |
| Mareld (2024) | 302 | 7 |
| Marenian Tavern Story (2018) | 388,243 | 898 |
| MareQuest (2022) | 4,750 | 44 |
| MareQuest: An Interactive Tail (2023) | 22,311 | 46 |
| Marfa (2024) | 4,001,062 | 57 |
| Marfusha (2021) | 1,407,666 | 1,566 |
| Margaritari (2026) | 0 | 0 |
| Margoq's Lair (2024) | 14,801 | 10 |
| Mari and the Black Tower (2017) | 0 | 0 |
| Mari's Magical Deliveries (2025) | 0 | 0 |
| Mari0 (2012) | 37,713,834 | 1,416 |
| Mariachi Legends (2024) | 584,656 | 89 |
| Marie's Room (2018) | 1,603,346 | 522 |
| Marie's Travel (2024) | 2,140 | 1 |
| Marimoth (2021) | 268 | 7 |
| Marine Buster (1993) | 1,322 | 2 |
| Marine Glory (2023) | 0 | 0 |
| Marine Heavy Gunner: Vietnam (2004) | 857,951 | 97 |
| Marine Park Empire (2005) | 81,594 | 58 |
| Marine Sharpshooter (2003) | 57,027 | 20 |
| Marine Sharpshooter 3 (2007) | 1,500,994 | 129 |
| Marine Sharpshooter 4 (2008) | 556,922 | 177 |
| Marine Sharpshooter II: Jungle Warfare (2004) | 335,297 | 206 |
| Marine Survivors (2022) | 68,583 | 62 |
| Marines: Modern Urban Combat (2010) | 76,852 | 30 |
| MarineVerse Sailing Club (2024) | 5,655 | 19 |
| Mario & Luigi: Bowser's Inside Story (2009) | 71,002,562 | 7,884 |
| Mario & Luigi: Brothership (2024) | 36,804,373 | 24,604 |
| Mario & Luigi: Dream Team (2013) | 209,085,318 | 12,152 |
| Mario & Luigi: Paper Jam (2015) | 62,688,541 | 3,858 |
| Mario & Luigi: Partners in Time (2005) | 48,139,668 | 7,945 |
| Mario & Luigi: Superstar Saga (2003) | 83,457,265 | 26,435 |
| Mario & Luigi: Superstar Saga + Bowser's Minions (2017) | 42,601,128 | 3,681 |
| Mario & Sonic at the London 2012 Olympic Games (2011) | 291,819,095 | 12,103 |
| Mario & Sonic at the Olympic Games Tokyo 2020 (2019) | 685,675,627 | 18,794 |
| Mario & Sonic at the Rio 2016 Olympic Games (2016) | 242,309,482 | 6,375 |
| Mario & Sonic at the Sochi 2014 Olympic Winter Games (2013) | 216,435,303 | 4,008 |
| Mario + Rabbids Kingdom Battle (2017) | 731,395,267 | 40,268 |
| Mario + Rabbids Sparks of Hope (2022) | 180,774,379 | 32,410 |
| Mario and Donkey Kong: Minis on the Move (2013) | 5,864,576 | 371 |
| Mario Andretti Racing (1994) | 88,882 | 197 |
| Mario Andretti's Racing Challenge (1991) | 5,903 | 8 |
| Mario Artist: Communication Kit (2000) | 87,573 | 21 |
| Mario Artist: Paint Studio (1999) | 3,854,945 | 117 |
