| Megami Ibunroku - Persona - Be Your True Mind | 1996 | ps1 |
| Megami Paradise | 1994 | pcengine |
| Megami Tensei Gaiden - Last Bible | 1992 | gb, gg |
| Megami Tensei Gaiden - Last Bible | 1999 | gbc |
| Megami Tensei Gaiden - Last Bible II | 1999 | gbc |
| Megami Tensei Gaiden - Last Bible Special | 1995 | gg |
| Megaton Musashi | 2021 | ps4, switch |
| MeiQ - Labyrinth of Death | 2015 | vita |
| Meikyuu Cross Blood - Infinity Ultimate | 2014 | vita |
| Meikyuu Touro Legasista | 2014 | ps3 |
| Meng Huan - Xiang Shuai Chuanqi Zhi Xue Hai Piaoling | | nes |
| Mercenaries Blaze: Dawn of the Twin Dragons | 2020 | ps4 |
| Mercenaries Blaze: Dawn of the Twin Dragons | 2020 | switch |
| Mercenaries Saga Chronicles | 2018 | switch |
| Meruru no Atelier - Arland no Renkinjutsushi 3 | 2011 | ps3 |
| Metal Dungeon | 2002 | xbox |
| Metal Fight Beyblade - Baku Shin Susanoo Shuurai! | 2010 | nds |
| Metal Gear Solid - Peace Walker - HD Edition | 2011 | ps3 |
| Metal Gear Solid 3 - Snake Eater - HD Edition | 2011 | ps3, vita |
| Metal Max | 1991 | nes |
| Metal Max 2 | 1993 | snes |
| Metal Max 2 - Reloaded | 2011 | nds |
| Metal Max 2 Kai | 2003 | gba |
| Metal Max 3 | 2010 | nds |
| Metal Max 4 - Gekkou no Diva | 2014 | 3ds |
| Metal Max Returns | 1995 | snes |
| Metal Max Xeno | 2018 | ps4, vita |
| Metal Max Xeno Reborn | 2020 | ps4 |
| Metal Max: Code Zero | | ps4 |
| Metal Max: Wild West | | ps4 |
| Metal Saga | 2006 | ps2 |
| Metal Saga - Hagane no Kisetsu | 2006 | nds |
| Metal Saga - Sajin no Kusari | 2005 | ps2 |
| Metal Slug Tactics | 2024 | switch |
| Metal Walker | 2001 | gbc |
| Metallic Child | | ps4 |
| Metamode | 2000 | gbc |
| Metaphor: ReFantazio | 2024 | ps4 |
| Metaverse Keeper | | ps4 |
| Micetopia | 2020 | ps4 |
| Middle-Earth - Shadow of Mordor | 2013 | ps3, ps4, xbox360, xboxone |
| Might & Magic - Clash of Heroes HD | 2011 | xbox360 |
| Might & Magic - Secret of the Inner Sanctum | 1992 | nes |
| Might and Magic | 1992 | pcengine |
| Might and Magic - Book II | 1993 | snes |
| Might and Magic - Book One - Secret of the Inner Sanctum | 1990 | nes |
| Might and Magic - Day of the Destroyer | 2001 | ps2 |
| Might and Magic - Gates to Another World | 1991 | genesis |
| Might and Magic II | 1993 | snes |
| Might and Magic III - Isles of Terra | 1993 | genesis, pcengine, segacd, snes |
| Miitopia | 2016 | 3ds |
| Milandra | 1997 | snes |
| Mimana - IYAR Chronicle | 2009 | psp |
| Minato no Traysia | 1992 | genesis |
| Mind Zero | 2013 | vita |
| Minecraft Dungeons | 2020 | ps4, switch, xboxone |
| Minelvaton Saga - Ragon no Fukkatsu | 1987 | nes |
| Minotaur | 1981 | intv |
| Miracle Warriors - Seal of The Dark Lord | 1987 | sms |
| Miraculum - The Last Revelation | 1996 | pcfx |
| Mirai Shinwa Jarvas | 1987 | nes |
| Mist of Chaos | 2007 | ps3 |
| Mistover | 2019 | ps4, switch |
| Mistover: Dr. Faust's Otherworldly Adventure | 2020 | ps4 |
| Mitsumete Knight R - Daibouken-hen | 1998 | ps1 |
| Mizuki Shigeru no Youkai Shashinkan | 1999 | ngpc |
| Mobile Suit Gundam - Perfect One Year War | 1997 | ps1 |
| Modao Jie | | nes |
| Moero Crystal H | 2019 | switch |
| Mogu Mogu Gombo - Harukanaru Chou Ryouri Densetsu | 1995 | gb |
| Moldorian - Hikari to Yami no Sister | 1994 | gg |
| Momotarou Densetsu | 1998 | ps1 |
| Momotarou Densetsu 1-2 | 2001 | gbc |
| Momotarou Densetsu Gaiden | 1991 | gb |
| Momotarou Densetsu Gaiden | 1993 | nes |
| Momotarou Densetsu Gaiden - Dai-1-shuu | 1992 | pcengine |
| Momotarou Densetsu II | 1990 | pcengine |
| Momotarou Densetsu Turbo | 1990 | pcengine |
| Momotarou Matsuri | 2001 | gba |
| Momotarou Matsuri - Ishikawa Rokuemon no Maki | 2001 | ps1 |
| MonHun Nikki - Poka Poka Airou Mura | | psp |
| MonHun Nikki - Poka Poka Airou Mura G | | psp |
| Monark | 2021 | ps4, switch |
| Monochrome Order | 2019 | xboxone |
| Monster Complete World | 1999 | ps1 |
| Monster Farm | 1997 | ps1 |
| Monster Farm 2 | 1999 | ps1 |
| Monster Farm Battle Card GB | 1999 | gbc |
| Monster Gate | 2002 | gba |
| Monster Gate - Ooinaru Dungeon - Fuuin no Orb | 2003 | gba |
| Monster Guardians | 2001 | gba |
| Monster Harvest | 2021 | ps4, switch |
| Monster Hunter 2 | 2006 | ps2 |
| Monster Hunter 3 Ultimate | 2013 | 3ds |
| Monster Hunter 3G - HD Ver | 2012 | wiiu |
| Monster Hunter 4 | 2013 | 3ds |
| Monster Hunter 4 Ultimate | 2015 | 3ds |
| Monster Hunter 4G | 2014 | 3ds |
| Monster Hunter Freedom | 2006 | psp |
| Monster Hunter Freedom 2 | 2007 | psp |