| | Metal Slug 5 (NGM-2680) | 2003 | SNK Playmore | mslug5 | | 8.78 |
| | Metal Slug 5 Plus (bootleg) (clone of: mslug5) | 2003 | bootleg | ms5plus | | 0.00 |
| | Metal Slug 6 | 2006 | Sega / SNK Playmore | mslug6 | | 8.63 |
 | Metal Slug 6 (Metal Slug 3 bootleg) (clone of: mslug3) | 2000 | bootleg | mslug3b6 | | 0.00 |
 | Metal Slug X - Super Vehicle-001 (NGM-2500)(NGH-2500) | 1999 | SNK | mslugx | Platform / Shooter Scrolling | 9.31 |
 | Metal Soldier Isaac II | 1985 | Taito Corporation | msisaac | Shooter / Misc. Vertical | 5.50 |
 | Metamoqester (International) | 1995 | Banpresto / Pandorabox | metmqstr | Fighter / Versus Co-op | 6.91 |
 | Metamorphic Force (ver EAA) | 1993 | Konami | metamrph | Fighter / 2.5D | 6.61 |
| Metamorphic Force (ver JAA) (clone of: metamrph) | 1993 | Konami | metamrphj | | 0.00 |
| Metamorphic Force (ver UAA) (clone of: metamrph) | 1993 | Konami | metamrphu | | 0.00 |
 | Meteor (bootleg of Asteroids) (clone of: asteroid) | 1979 | bootleg (Hoei) | meteorho | | 0.00 |
| | Meteor (Stern) | 1979 | Stern | meteorp | | 0.00 |
| | Meteor (Taito) | 1980 | Taito do Brasil | meteort | | 0.00 |
| Meteorites (bootleg of Asteroids) (clone of: asteroid) | 1979 | bootleg (VGG) | meteorts | Shooter / Field | 0.00 |
 | Meteoroids (clone of: spcforce) | 1981 | Venture Line | meteor | Shooter / Field | 0.00 |
 | Metro-Cross (set 1) | 1985 | Namco | metrocrs | Platform / Run Jump Scrolling | 9.32 |
| Metro-Cross (set 2) (clone of: metrocrs) | 1985 | Namco | metrocrsa | | 0.00 |
 | Metroid (PlayChoice-10) | 1986 | Nintendo | pc_mtoid | Platform / Run Jump Scrolling | 4.59 |
 | Mexico 86 (bootleg of Kick and Run) (clone of: kicknrun) | 1986 | bootleg | mexico86 | Sports / Soccer | 0.00 |
| | Mexico 86 (German speech) | 1986 | Zaccaria | mexico | | 0.00 |
