 | Mermaid | 1982 | Sanritsu / Rock-Ola | mermaid | Sports | 5.50 |
| | Merry Joiner | 2004 | Belatra | merryjn | | 0.00 |
 | Meta Fox | 1989 | Seta | metafox | Shooter / Flying Vertical | 0.00 |
 | Metal Black (Japan) (clone of: metalb) | 1991 | Taito Corporation | metalbj | Shooter / Flying Horizontal | 0.00 |
| Metal Black (World) | 1991 | Taito Corporation Japan | metalb | Shooter / Flying Horizontal | 7.00 |
 | Metal Clash (Japan) | 1985 | Data East | metlclsh | Fighter / Misc. | 0.00 |
 | Metal Hawk | 1988 | Namco | metlhawk | Shooter / Flying | 3.57 |
| Metal Hawk (Japan) (clone of: metlhawk) | 1988 | Namco | metlhawkj | | 0.00 |
| | Metal Man | 1992 | Inder | metalman | | 0.00 |
| | Metal Maniax (prototype) | 1994 | Atari Games | metalmx | | 0.00 |
| | Metal Saver | 1994 | First Amusement | metlsavr | | 0.00 |
 | Metal Slug - Super Vehicle-001 | 1996 | Nazca | mslug | Platform / Shooter Scrolling | 8.80 |
 | Metal Slug 2 - Super Vehicle-001/II (NGM-2410)(NGH-2410) | 1998 | SNK | mslug2 | Platform / Shooter Scrolling | 8.70 |
 | Metal Slug 3 (NGH-2560) (clone of: mslug3) | 2000 | SNK | mslug3h | | 0.00 |
| Metal Slug 3 (NGM-2560) | 2000 | SNK | mslug3 | Platform / Shooter Scrolling | 9.36 |
| | Metal Slug 4 (NGH-2630) (clone of: mslug4) | 2002 | Mega / Playmore | mslug4h | | 0.00 |
| | Metal Slug 4 (NGM-2630) | 2002 | Mega / Playmore | mslug4 | Platform / Shooter Scrolling | 8.74 |
| | Metal Slug 4 Plus (bootleg) (clone of: mslug4) | 2002 | bootleg | ms4plus | Platform / Shooter Scrolling | 7.38 |
| | Metal Slug 5 (JAMMA PCB) | 2003 | SNK Playmore | ms5pcb | | 8.50 |
| | Metal Slug 5 (NGH-2680) (clone of: mslug5) | 2003 | SNK Playmore | mslug5h | | 0.00 |
