| MS Saga: A New Dawn (2005) | 841,578 | 2,215 |
| Ms. Holmes: Five Orange Pips (2020) | 156,249 | 121 |
| Ms. Holmes: Letter M (2024) | 8,746 | 35 |
| Ms. Holmes: The Adventure of the McKirk Ritual (2021) | 29,627 | 100 |
| Ms. Holmes: The Case of the Dancing Men (2023) | 17,656 | 85 |
| Ms. Holmes: The Death of Peter Blackheart (2025) | 5,907 | 38 |
| Ms. Holmes: The Milverton Plot (2023) | 15,268 | 54 |
| Ms. Holmes: The Monster of the Baskervilles (2019) | 57,311 | 87 |
| Ms. Pac-Man (1981) | 151,021,796 | 6,805 |
| Ms. Pac-Man Maze Madness (2000) | 4,109,687 | 1,472 |
| Ms. Pac-Man: Quest for the Golden Maze (2001) | 18,339 | 19 |
| Ms. Splosion Man (2011) | 6,302,035 | 1,083 |
| MT Force Aliens Uprising (2024) | 12,313 | 20 |
| MTV Music Generator 2 (2001) | 35,187 | 35 |
| MTV Music Generator 3: This Is the Remix (2004) | 66,177 | 40 |
| MTV Sports: Pure Ride (2000) | 75,957 | 120 |
| MTV Sports: Skateboarding Featuring Andy Macdonald (2000) | 0 | 0 |
| MTV Sports: Snowboarding (1999) | 14,233,448 | 1,273 |
| MTV Sports: T.J. Lavin's Ultimate BMX (2000) | 75,667 | 59 |
| MTV's Beavis and Butt-Head: Do U. (1998) | 74,433 | 11 |
| MTV's Club Dead (1994) | 12,603 | 22 |
| MTX Mototrax (2004) | 3,281,296 | 696 |
| Mu Complex (2015) | 175,698 | 65 |
| MU Legend (2017) | 16,104,875 | 4,745 |
| Mu Online (2001) | 14,431,263 | 7,351 |
| MU Origin - VN (2015) | 591,638 | 40 |
| MUA (2023) | 60,019,203 | 546 |
| Muchacho Bean (2024) | 0 | 0 |
| Muchi Muchi Pork! (2007) | 273,399 | 345 |
| Muck (2021) | 107,388,181 | 9,167 |
| Mud and Blood (2021) | 240,960 | 641 |
| MUD Motocross World Championship (2013) | 1,789,778 | 264 |
| MUD1 (1978) | 15,333 | 4 |
| Muddledash (2018) | 442,368 | 51 |
| MudGate (2025) | 332 | 2 |
| MudRunner (2017) | 159,169,019 | 36,147 |
| Muffin Knight (2011) | 1,517,122 | 172 |
| Muffled Warfare (2018) | 20,064 | 5 |
| Muffled Warfare - Echolocation Shooter (2018) | 7,213 | 19 |
| Muffles' Life Sentence (2025) | 1,393 | 19 |
| Mugen Souls (2012) | 2,331,593 | 1,811 |
| Mugen Souls Z (2013) | 723,766 | 790 |
| Mugsters (2018) | 1,633,750 | 245 |
| Mugsy's Revenge (1986) | 2,960 | 6 |
| Muhaboy (2024) | 0 | 0 |
| Muhammad Ali Heavyweight Boxing (1992) | 54,690 | 77 |
| Mujina - Maze Game (2023) | 0 | 0 |
| Mujintou Monogatari (1994) | 1,109,464 | 62 |
| Mujintou Monogatari 4 (1998) | 60,756 | 45 |
| Mula: The Cycle of Shadow (2017) | 163 | 2 |
| Mulaka (2018) | 1,613,074 | 1,049 |
| Mulan (1998) | 101,073 | 47 |
| Multi Play Volleyball (1994) | 9,712 | 15 |
| Multi Turret Academy (2024) | 17,747 | 161 |
| The Multi-Medium (2023) | 5,524,424 | 313 |
| Multi-Player Soccer Manager (1990) | 949 | 13 |
| Multia Space Program (2021) | 96,001 | 2 |
| The Multidimensional Underwear Drawer (2016) | 2,855 | 23 |
| Multimedia Celebrity Poker (1995) | 65,579 | 26 |
| MultiMind Challengers (2021) | 0 | 0 |
| Multimirror (2016) | 5,623 | 17 |
| Multiplayer BattleTech: EGA (1991) | 2,400 | 4 |
| Multiplayer Platform Golf (2024) | 7,852,114 | 169 |
| Multiplication Mayhem (2024) | 407 | 7 |
| Multiplicity (2017) | 238,880 | 40 |
| Multiplicity KVM (2021) | 0 | 0 |
| Multirotor Sim 2 (2019) | 0 | 0 |
| Multitales (2024) | 0 | 0 |
| The Multiverse Cleaner (2024) | 179 | 5 |
| Multiverse Loot Hunter (2025) | 1,745 | 9 |
| MultiVersus (2022) | 1,436,393,786 | 205,270 |
| MultiVR.se (2017) | 0 | 0 |
| Multiwinia: Survival of the Flattest (2008) | 311,599 | 227 |
| MUMBA IV: Egypt Jewels (2021) | 0 | 0 |
| MUME (1992) | 17,688 | 12 |
