| Magical Drop II P |
| Magical Drop III P |
| Magician Lord (set 1) P |
| Magician Lord (set 2) |
| Mahjong Kyoretsuden P |
| Matrimelee (decrypted C) (non-MAME) |
| Matrimelee / Shin Gouketsuji Ichizoku Toukon P |
| Matrimelee / Shin Gouketsuji Ichizoku Toukon (bootleg) |
| Metal Slug - Super Vehicle-001 P |
| Metal Slug 2 - Super Vehicle-001/II P |
| Metal Slug 3 P |
| Metal Slug 3 (non encrypted P, decrypted C) (non-MAME) |
| Metal Slug 3 (not encrypted) |
| Metal Slug 4 P |
| Metal Slug 4 (decrypted C) (non-MAME) |
| Metal Slug 4 Plus (bootleg) |
| Metal Slug 5 P |
| Metal Slug 5 (AES Cart) |
| Metal Slug 5 (decrypted C) (non-MAME) |
| Metal Slug 5 (JAMMA PCB) P |
| Metal Slug 5 Plus (bootleg) |
| Metal Slug 6 (Metal Slug 3 bootleg) |
| Metal Slug X - Super Vehicle-001 P |
| Minnasanno Okagesamadesu P |
| Money Puzzle Exchanger / Money Idol Exchanger P |
| Mutation Nation P |
