| Id | Name | Systems | Actions |
|---|---|---|---|
| 2416 | Melli's Retro Land | Uzebox | |
| 1681 | Men in Black: The Series | GBC | |
| 4139 | Men in Black: The Series | GBA | |
| 3245 | Menace Beach | NES | |
| 711 | Mendel Palace | NES | |
| 230 | Mercs | Genesis | |
| 751 | Mercs | Arcade | |
| 2452 | Mermaids of Atlantis: The Riddle of the Magic Bubble | NES | |
| 1608 | Metal Force | NES | |
| 165 | Metal Gear | NES | |
| 849 | Metal Gear | MSX | |
| 1004 | Metal Gear Solid | PSX | |
| 1043 | Metal Gear Solid | GBC | |
| 1506 | Metal Gear Solid: VR Missions | PSX | |
| 3744 | Metal Head | 32X | |
| 510 | Metal Max | NES | |
| 1411 | Metal Max Returns | SNES | |
| 1469 | Metal Mech: Man & Machine | NES | |
| 753 | Metal Slug | Arcade | |
| 784 | Metal Slug 3 | Arcade | |
| 793 | Metal Slug 4 | Arcade | |
| 815 | Metal Slug 5 | Arcade | |
| 821 | Metal Slug 7 | DS | |
| 765 | Metal Slug Advance | GBA | |
| 574 | Metal Slug X | Arcade |