| Id | Name | Systems | Actions |
|---|---|---|---|
| 3259 | Misplaced | Genesis | |
| 361 | Mission: Impossible | GBC | |
| 994 | Mission: Impossible | NES | |
| 403 | Mitsume ga Tooru | NES | |
| 3478 | Mixed-Up Mother Goose | DOS | |
| 2087 | MK5: Mortal Combat - Sub Zero | Genesis | |
| 2687 | MLB Power Pros 2008 | Wii | |
| 2240 | Mo Jie Qibing | GBA | |
| 386 | Moai-kun | NES | |
| 4147 | Mobility | Linux | |
| 2611 | Moero! Nekketsu Rhythm Damashii: Osu! Tatakae! Ouendan 2 | DS | |
| 3197 | Mohawk & Headphone Jack | SNES | |
| 3565 | Mole Attack | C64 | |
| 742 | Mole Mania | SGB | |
| 3001 | Mona and the Witch's Hat Deluxe | GBC | |
| 958 | Monkey Magic | PSX | |
| 172 | Monopoly | NES | |
| 3691 | Monopoly | SNES | |
| 1363 | Monster House | GBA | |
| 473 | Monster in My Pocket | NES | |
| 746 | Monster Party | NES | |
| 1567 | Monster Pro Wrestling | PCE | |
| 3164 | Monster Rancher 2 | PSX | |
| 2178 | Monster World IV | Genesis | |
| 2138 | Montezuma's Revenge | Coleco |