| My Universe: My Baby (2020) | 559,156 | 136 |
| My Universe: My Baby Dragon (2022) | 79,031 | 44 |
| My Universe: School Teacher (2020) | 1,035,181 | 72 |
| My Very Own Light (2021) | 6,039 | 2 |
| My Vet Practice (2008) | 153,911 | 39 |
| My Weight Loss Coach (2008) | 18,316 | 11 |
| My Wet Leto Comic (2020) | 0 | 0 |
| My Wet Leto Comic-A Day of Green (2024) | 0 | 0 |
| My Word Coach (2007) | 22,372 | 27 |
| My World, My Way (2008) | 116,772 | 78 |
| Myastere: Ruins of Deazniff (2021) | 35,059 | 84 |
| Mycelium Guardians (2024) | 4 | 2 |
| Mycelium Heaven (2024) | 1,224 | 23 |
| Mycocosm (2024) | 0 | 0 |
| MyCoke (2002) | 5,114 | 12 |
| MycoRelic (2025) | 12,404 | 2 |
| Mycorrhiza (2022) | 675,646 | 99 |
| Mycosis (2023) | 116 | 3 |
| Myha: Return to the Lost Island (2019) | 18,655 | 27 |
| MyMan (2006) | 251 | 1 |
| MyMoney (2017) | 4 | 1 |
| MyPostcards (2010) | 2,217 | 3 |
| Myrcella the Meandering Mage (2023) | 0 | 0 |
| Myriad Hotel (2023) | 7 | 1 |
| Myriad Mayhem (2023) | 10,554 | 8 |
| Myriads: Renaissance (2023) | 293,498 | 79 |
| Myriavora (2021) | 550 | 4 |
| Myrne: The Quest (2017) | 13,479 | 55 |
| MySims (2007) | 123,633,022 | 4,032 |
| MySims Agents (2009) | 6,993,597 | 1,534 |
| MySims Camera (2009) | 437 | 2 |
| MySims Kingdom (2008) | 5,890,401 | 1,894 |
| MySims Party (2009) | 3,640,900 | 389 |
| MySims Racing (2009) | 2,115,607 | 898 |
| MySims SkyHeroes (2010) | 964,519 | 393 |
| Myst (1993) | 23,343,985 | 5,077 |
| Myst III: Exile (2001) | 3,119,284 | 1,662 |
| Myst IV: Revelation (2004) | 3,667,775 | 1,560 |
| Myst Online: Uru Live (2007) | 744,574 | 355 |
| Myst V: End of Ages (2005) | 1,092,212 | 753 |
| MyStar (2019) | 32,875 | 5 |
| Mystaria: The Realms of Lore (1995) | 246,538 | 261 |
| Mystereet: Fukagyaku Sekai no Tantei Shinshi (2004) | 12,639 | 20 |
| Mysteria of the World: The forest of Death (2022) | 378 | 2 |
| Mysteria ~Occult Shadows (2020) | 253,351 | 247 |
| Mysteries & Nightmares: Morgiana (2015) | 74,610 | 31 |
| The Mysteries of Baroque (2018) | 963 | 4 |
| Mysteries Of Darkness (2022) | 399 | 10 |
| Mysteries of Neverville: The Runestone of Light (2018) | 0 | 0 |
| Mysteries of Perception (2025) | 192 | 8 |
| Mysteries of Shaola: The Cave (2022) | 0 | 0 |
| Mysteries of the Mind: Coma (2012) | 8,668 | 10 |
| Mysteries of the Undead (2019) | 132,102 | 166 |
| Mysterious Adventure of Michael (2017) | 35,202 | 6 |
| The Mysterious Cities of Gold: Secret Paths (2013) | 506,666 | 142 |
| Mysterious Journey II (2003) | 76,113 | 85 |
| The Mysterious Murasame Castle (1986) | 1,613,659 | 617 |
| Mysterious Mystery, EP 1: The Duo Dilemma (2025) | 11 | 1 |
| Mysterious Place (2023) | 0 | 0 |
| Mysterious Space (2015) | 101,740 | 16 |
| Mysterious Stars: A Fairy Tale (2012) | 0 | 0 |
| Mysterious Stars: The Samurai (2012) | 0 | 0 |
| Mysterious Stars: The Singer (2012) | 0 | 0 |
| Mysterium (1991) | 21,894,640 | 607 |
| Mystery Agency: Visions of Time (2011) | 386 | 3 |
| Mystery at Grand Fir Village (2023) | 25 | 1 |
| Mystery at Morgoth (2023) | 289 | 7 |
| Mystery Case Files: 13th Skull (2010) | 1,999,562 | 635 |
| Mystery Case Files: A Crime in Reflection (2023) | 24,727 | 100 |
| Mystery Case Files: Agent X (2008) | 6,512 | 3 |
| Mystery Case Files: Black Crown (2019) | 388,497 | 171 |
| Mystery Case Files: Broken Hour (2016) | 121,492 | 219 |
| Mystery Case Files: Crossfade (2020) | 94,031 | 122 |
| Mystery Case Files: Dire Grove (2009) | 1,387,551 | 409 |
| Mystery Case Files: Dire Grove, Sacred Grove (2014) | 247,867 | 247 |
