| Mobile Suit Gundam: Gundam vs. Gundam (2008) | 5,535,581 | 522 |
| Mobile Suit Gundam: Gundam vs. Gundam Next (2009) | 5,781,250 | 756 |
| Mobile Suit Gundam: Gundam vs. Gundam Next Plus (2009) | 1,149,225 | 1,066 |
| Mobile Suit Gundam: Gundam vs. Zeta Gundam (2004) | 5,685,101 | 2,604 |
| Mobile Suit Gundam: Journey to Jaburo (2000) | 906,627 | 400 |
| Mobile Suit Gundam: Last Shooting (1984) | 309,118 | 19 |
| Mobile Suit Gundam: Lost War Chronicles (2002) | 2,991,360 | 499 |
| Mobile Suit Gundam: MS Sensen 0079 (2007) | 210,550 | 80 |
| Mobile Suit Gundam: One Year War (2005) | 337,971 | 125 |
| Mobile Suit Gundam: Sokuou Sensen (2018) | 79,678 | 9 |
| Mobile Suit Gundam: Try Age (2011) | 1,248,351 | 572 |
| Mobile Suit Gundam: Zeonic Front (2001) | 2,653,352 | 744 |
| Mobile Suit Z Gundam: AEUG vs. Titans DX (2004) | 241,206 | 100 |
| Mobile Suit Z Gundam: Hot Scramble (1986) | 1,335,691 | 356 |
| Mobile Suit Zeta Gundam: AEUG vs. Titans (2003) | 1,616,396 | 237 |
| Mobility (1999) | 74,895 | 46 |
| MOBIUS BAND* (2023) | 0 | 0 |
| Mobius Final Fantasy (2015) | 24,760,510 | 21,673 |
| Mobmania (2022) | 373,123 | 213 |
| Mobocratic Union (2024) | 0 | 0 |
| Mocap Fusion [ VR ] (2023) | 348 | 1 |
| MocapForAll (2021) | 219,379 | 2 |
| MocapForStreamer (2022) | 174 | 1 |
| Mocaverse (2023) | 36,314 | 44 |
| Mochi Sprint (2024) | 0 | 0 |
| Moco Moco Friends (2015) | 83,061 | 117 |
| Modbox (2016) | 5,114,386 | 161 |
| Model Builder (2021) | 703,677 | 837 |
| Model Melissa (2020) | 4,067 | 5 |
| Modem Wars (1988) | 2,107 | 8 |
| Modern Arena (2020) | 69,633 | 107 |
| Modern Combat 2: Black Pegasus (2010) | 7,002,857 | 1,640 |
| Modern Combat 3: Fallen Nation (2011) | 20,313,243 | 4,834 |
| Modern Combat 4: Zero Hour (2012) | 44,555,527 | 8,438 |
| Modern Combat 5: Blackout (2014) | 206,195,268 | 70,355 |
| Modern Combat Versus (2017) | 26,880,036 | 12,627 |
| Modern Combat: Domination (2011) | 909,088 | 239 |
| Modern Combat: Sandstorm (2009) | 4,211,113 | 993 |
| Modern Fantasy - Urban Legends (2022) | 973 | 4 |
| Modern Tales: Age of Invention (2017) | 164,037 | 371 |
| Modern Warfare 2D (2010) | 143 | 3 |
| MODERN WARSHIPS (2021) | 140,201,868 | 41,114 |
| Modest Hero (2020) | 5,082 | 8 |
| ModNation Racers (2010) | 8,452,318 | 2,954 |
| ModNation Racers: Road Trip (2012) | 1,350,985 | 245 |
| MODO indie (2015) | 15,303 | 2 |
| Modoo Marble (2013) | 79,585,382 | 10,660 |
| MODSORK (2018) | 16,597 | 14 |
| Modulo (2021) | 3,375,875 | 110 |
| Modulor (2024) | 478 | 2 |
| Moduwar (2025) | 63,279 | 49 |
| Moe Chronicle (2014) | 614,014 | 586 |
| Moe Era (2020) | 679,293 | 497 |
| Moe Jigsaw (2018) | 4,190 | 10 |
| Moe Mekuri (2010) | 14,084 | 6 |
| Moe! Ninja Girls (2016) | 650,270 | 1,536 |
| Moe! Ninja Girls RPG (2020) | 121,701 | 156 |
| Moebius: Empire Rising (2014) | 218,136 | 425 |
| Moebius: The Orb of Celestial Harmony (1985) | 16,373 | 33 |
| Moero! Nekketsu Rhythm Damashii: Osu! Tatakae! Ouendan 2 (2007) | 435,442 | 143 |
| Moero!! Juudou Warriors (1990) | 150,212 | 14 |
| Moeshubox (2019) | 8,248 | 12 |
| The Mofflys: Invasion Mayhem (2025) | 210 | 2 |
| Mogeko Castle (2012) | 33,351,633 | 3,543 |
| Mogic (2018) | 0 | 0 |
| Mogo Invasion (2017) | 0 | 0 |
| Mogul Maniac (1983) | 18,940 | 26 |
| MoHo (2000) | 223,689 | 68 |
| Mohrta (2025) | 363,466 | 125 |
| Mojack - Quest of Jackal : Puzzle game (2019) | 7 | 1 |
| Mojib-Ribbon (2003) | 460,254 | 108 |
| MojiCraft (2024) | 0 | 0 |
| Mojito the Cat (2024) | 8,499 | 46 |
| Mojo (2018) | 5,785,540 | 280 |
| Mojo 2: Mia (2018) | 90,043 | 21 |
