| Mega Bomberman - Special 8-Player-Demo | 1994 | genesis |
| Mega Force | 1982 | a2600 |
| Mega Kaiju Boom Ball | 2024 | nes |
| Mega Man - Battle Network | 2001 | gba |
| Mega Man 2 | 2008 | wii |
| Mega Man 3 | 2008 | wii |
| Mega Man 4 | 2010 | wii |
| Mega Man 7 | 1995 | snes |
| Mega Man 8 | 1997 | ps1 |
| Mega Man Legends | 1998 | ps1 |
| Mega Man Legends 2 | 2000 | ps1 |
| Mega Man X2 | 1994 | snes |
| Mega Man X3 | 1995 | ps1, saturn, snes |
| Mega Man X4 | 1997 | ps1, saturn |
| Mega Man X5 | 2001 | ps1 |
| Mega Man X6 | 2001 | ps1 |
| Mega Man X7 | 2003 | ps2 |
| Mega Man X8 | 2004 | ps2 |
| Mega Pang | 2025 | genesis |
| MegaMania | 1984 | a5200 |
| MegaMania - A Space Nightmare | 1982 | a2600 |
| MegaMind | 1991 | genesis |
| MegaSurvivor | 2025 | genesis |
| MegaTagmension Blanc + Neptune vs Zombies | 2015 | vita |
| Megami no Etsubo | 2006 | psp |
| Megamind - The Blue Defender | 2004 | nds |
| Megamind - The Blue Defender | 2010 | psp |
| Megaton Rainfall | 2017 | ps4, switch, xboxone |
| Megumi Rescue | 1988 | sms |
| Megumi Rescue | 1987 | arcade |
| Meikyu Jima | 1988 | arcade |
| Meikyuu Jiin Dababa | 1987 | fds |
| Mein Weg | 1980 | a2600 |
| Meitantei Conan - Aoki Houseki no Rondo | 2011 | nds |
| Meltdown | 1990 | a7800 |
| Memorial Series - Sunsoft Vol. 1 | 2001 | ps1 |
| Memorial Series - Sunsoft Vol. 3 | 2001 | ps1 |
| Memorial Series - Sunsoft Vol. 6 | 2002 | ps1 |
| Men in Black - The Game | 1998 | ps1 |
| Men's Room Mayhem | 2013 | vita |
| Mercenaries | 2005 | ps2 |
| Mercenaries 2 - Inferno di Fuoco | 2008 | ps2 |
| Mercenary Kings | 2017 | ps4, xboxone |
| Mercenary Kings | 2014 | ps4 |
| Mercury Meltdown Remix | 2005 | ps2 |
| Meremanoid | 1999 | ps1 |
| Merlin's Money Maze | 1986 | arcade |
| Merlins Money Maze | 1986 | arcade |
| Metagal | 2019 | xboxone |
| Metal Fight Beyblade Portable - Chouzetsu Tensei! Vulcan Horuseus | 2010 | psp |
| Metal Gear | 1987 | nes |
| Metal Gear & Metal Gear 2 - Solid Snake | 2009 | ps2 |
| Metal Gear - Ghost Babel | 2000 | gbc |
| Metal Gear Rising - Revengeance | 2013 | ps3, xbox360 |
| Metal Gear Solid | 2000 | gbc |
| Metal Gear Solid | 1998 | ps1 |
| Metal Gear Solid - Integral | 1999 | ps1 |
| Metal Gear Solid - Special Missions | 1999 | ps1 |
| Metal Gear Solid - VR Missions | 1999 | ps1 |
| Metal Gear Solid 2 - Sons of Liberty | 2001 | ps2 |
| Metal Gear Solid 3 - Snake Eater | 2004 | ps2 |
| Metal Jacket | 1995 | ps1 |
| Metal Slug 2 | 2017 | ps3 |
| Metal Slug 2 | 2008 | wii |
| Metal Slug 4 | 2002 | arcade, neogeo, ps2, xbox |
| Metal Slug 5 | 2003 | neogeo, ps2, xbox |
| Metal Slug 6 | 2006 | ps2 |
| Metal Slug Advance | 2005 | nes |
| Metal Slug Anthology | 2006 | ps2, psp, wii |
| Metal Slug Complete | 2007 | ps2 |
| Metal Slug X | 2001 | ps1 |
| Metal Slug X - Super Vehicle-001 | 2001 | ps1 |
| Metal Slug XX | 2009 | psp |
| Metallic Child | 2021 | switch |
| Meteorites | 1983 | a5200 |
| Metroid | 1986 | 3ds, nes, snes, wii |
| Metroid - Zero Mission | 2004 | gba, wiiu |
| Metroid Prime Pinball | 2005 | nds |
| Miami Vice | 2004 | ps2, xbox |
| Michael Jackson's Moonwalker | 1990 | genesis |
| Michael Jackson's Moonwalker | 1990 | sms |
| Michael Jordan - Chaos in the Windy City | 1994 | snes |
| Mickey no Magical Adventure | 1992 | snes |
| Mickey to Minnie - Magical Adventure 2 | 1994 | snes |
| Mickey's Adventure in Numberland | 1994 | nes |
| Mickey's Playtown Adventure - A Day of Discovery! | 1994 | snes |
| Mickey's Safari in Letterland | 1993 | nes |
| Micon-Kit Part II | 1978 | arcade |
| The Micro Xevious | 1990 | sms |
| Microsoft Pinball Arcade | 2001 | gbc |
| Microsurgeon | 1982 | intv |
| Midnight Magic | 1984 | a2600 |
| Midnight Mutants | 1990 | a7800 |
| Midway's Greatest Arcade Hits | 2001 | gba |
| Midway's Greatest Arcade Hits - Volume 2 | 2001 | dreamcast |
| Mighty Morphin Power Rangers | 1994 | genesis, segacd, snes |
| Mighty Switch Force! 2 | 2013 | 3ds, wiiu |
| Mikie | 1984 | arcade, sg1000 |
| Milon's Secret Castle | 2007 | wii |
| Mind Strike | 1982 | intv |