| Lutter | 1989 | fds |
| Lylat Wars | 2007 | wii |
| MAER Heaven - Boukyaku no Klavier | 2006 | nds |
| MAER Heaven - Kaldea no Akuma | 2006 | nds |
| MAER Heaven - Knockin' on Heaven's Door | 2005 | gba |
| MS Saga - A New Dawn | 2006 | ps2 |
| Macross 30 - Ginga o Tsunagu Utagoe | 2013 | ps3 |
| Made in Abyss: Binary Star Falling into Darkness | 2022 | ps4, switch |
| Madou Monogatari | 1998 | saturn |
| Madou Monogatari - Hanamaru Daiyouchienji | 1996 | snes |
| Madou Monogatari A - Dokidoki Vacation | 1995 | gg |
| Madou Monogatari I - 3tsu no Madoukyuu | 1993 | gg |
| Madou Monogatari I - Honoo no Sotsuenji | 1996 | pcengine |
| Madou Monogatari II - Arle 16-Sai | 1994 | gg |
| Madou Monogatari III - Kyuukyoku Joou-sama | 1994 | gg |
| Madou Senki - Deep Dungeon | 1986 | fds |
| Maerchen Veil | 1987 | fds |
| Mage Knight - Destiny's Soldier | 2006 | nds |
| The Mageseeker: A League of Legends Story | 2023 | switch |
| Magi Nation | 2001 | gba, gbc |
| Magi-Nation - Keeper's Quest | | gbc |
| The Magic Candle | 1992 | nes |
| Magic Island | 1995 | cd32 |
| Magic Knight Rayearth | 1995 | gb |
| Magic Knight Rayearth | 1994 | gg, saturn |
| Magic Knight Rayearth 2 - Making of Magic Knight | 1995 | gg |
| Magic Knight Rayearth 2nd. - The Missing Colors | 1995 | gb |
| Magic Scroll Tactics | 2020 | ps4 |
| Magic Story Fear and the Mysterious School | 2024 | ps4 |
| The Magic of Scheherazade | 1989 | nes |
| Magical Houshin | 2002 | gba |
| Magical Starsign | 2006 | nds |
| Magical Vacation | 2001 | gba |
| Magical Vacation | 2015 | wiiu |
| Magician | 1991 | nes |
| The Magician's Academy | 2007 | ps2 |
| Magicoal | 1993 | pcengine |
| Maglam Lord | 2021 | ps4, switch |
| Magma Project - Hacker | 1989 | fds |
| Magna Braban - Henreki no Yuusha | 1994 | snes |
| Magna Carta | 2004 | ps2 |
| Magna Carta - Jinhongui Seongheun | 2004 | ps2 |
| Magna Carta - Lacrime di Sangue | 2006 | ps2 |
| Magna Carta - Les Larmes de Sang | 2006 | ps2 |
| Magna Carta - Tears of Blood | 2005 | ps2 |
| Magna Carta Portable | 2006 | psp |
| MagnaCarta 2 | 2009 | xbox360 |
| MagnaCarta II | | xbox360 |
| Magus | 2014 | ps3 |
| MagusTale Eternity - Sekaiju to Koi Suru Mahoutsukai | | psp |
| Mahoroba Stories - Library of Fortune | 2007 | ps2 |
| Mahou Gakuen Lunar! | 1997 | saturn |
| Mahou Sensei Negima! - Private Lesson - Damedesuu Toshokan-jima | 2005 | gba |
| Mahou Sensei Negima! - Private Lesson 2 - Ojamashimasuu Parasite de Chuu | 2006 | gba |
| Mahoujin GuruGuru - Yuusha to Kukuri no Daibouken | 1995 | gb |
| Mahoujin Guruguru | 1995 | snes |
| Mahoujin Guruguru 2 | 1996 | snes |
| Mahoutsukai ni Naru Houhou | 1999 | ps1 |
| Mahoutsukai ni Naru Houhou | 1998 | saturn |
| Majin Tensei | 2015 | wiiu |
| Majo to Yuusha | 2013 | 3ds |
| Majokko Mari-chan no Kisekae Monogatari | 1999 | gbc |
| Maka Maka | 1992 | snes |
| Makai Hakkenden - Shada | 1989 | pcengine |
| Makai Senki Disgaea 2 Portable | 2009 | psp |
| Makai Senki Disgaea 3 | 2008 | ps3 |
| Makai Senki Disgaea 3 - Raspberyl-hen Hajimemashita | 2009 | ps3 |
| Makai Senki Disgaea 4 | 2011 | ps3 |
| Makai Senki Disgaea 4 - Fuuka & Desco-hen Hajimemashita | 2011 | ps3 |
| Makai Senki Disgaea Portable | 2007 | psp |
| Makai Senki Disgaea Portable - Tsuushin Taisen Hajimemashita | 2007 | psp |
| Makai Toushi Sa-Ga | 1989 | gb |
| Makai Toushi Sa-Ga | 2002 | wsc |
| Makeruna! Makendou Z | 1998 | pcfx |
| Maliou Yu Luyiji RPG | | gba |
| Mana Khemia - Alchemists of Al-Revis | 2007 | ps2 |
| Mana Khemia - Student Alliance | 2009 | psp |
| Mana Khemia 2 - Fall of Alchemy | 2008 | ps2 |
| Mana Spark | 2018 | switch |
| Mana-Khemia 2 - Ochita Gakuen to Renkinjutsushitachi Portable+ | 2009 | psp |
| Maneater | 2020 | ps4, switch, xboxone |
| MapleStory - Unmei no Shoujo | 2014 | 3ds |
| MapleStory - Unmyeongui Sonyeo | 2013 | 3ds |
| MapleStory DS | 2010 | nds |
| Marenian Tavern Story: Patty and the Hungry God | 2018 | ps4, xboxone |
| Marica - Shinjitsu no Sekai | 1997 | saturn |
| Marie no Atelier - Salburg no Renkinjutsushi | 1997 | ps1 |
| Marie no Atelier GB | 2000 | gbc |
| Marie no Atelier Plus - Salburg no Renkinjutsushi | 1998 | ps1 |
| Marie no Atelier Ver. 1.3 - Salburg no Renkinjutsushi | 1997 | saturn |
| Mario & Luigi - Bowser's Inside Story | 2009 | nds |
| Mario & Luigi - Dream Team | 2013 | 3ds |
| Mario & Luigi - Dream Team Bros | 2013 | 3ds |
| Mario & Luigi - Dream Team Bros. - Update 1.1 | 2013 | 3ds |
| Mario & Luigi - Partners in Time | 2005 | nds |
| Mario & Luigi - Partners in Time | 2015 | wiiu |
| Mario & Luigi - RPG1 DX | 2017 | 3ds |
| Mario & Luigi - Superstar Saga | 2003 | gba, wiiu |
| Mario & Luigi - Superstar Saga | 2014 | wiiu |
| Mario & Luigi - Superstar Saga + Bowser's Minions | 2017 | 3ds |