| MAME ROMS: M |
|---|
| Title | Rate | Votes | Rating |
| Mortal Kombat (rev 5.0 T-Unit 03/19/93) | | 69 | 9.22 |
| Mortal Kombat (Yawdim bootleg) | | 9 | 7.56 |
| Mortal Kombat 3 (rev 1.0) | | 32 | 8.81 |
| Mortal Kombat 3 (rev 2.0) | | 13 | 7.77 |
| Mortal Kombat 3 (rev 2.1) | | 61 | 8.79 |
| Mortal Kombat 4 (rev L3) | | 115 | 8.05 |
| Mortal Kombat II (rev L1.4) | | 27 | 8.78 |
| Mortal Kombat II (rev L2.1) | | 8 | 8.88 |
| Mortal Kombat II (rev L3.1) | | 23 | 8.91 |
| Mortal Kombat II (rev L3.2 (European)) | | 23 | 9.17 |
| Mortal Kombat II (rev L4.2, hack) | | 5 | 7.40 |
| Mortal Kombat II (rev L9.1, hack) | | 5 | 7.80 |
| Mortal Kombat II Challenger (hack) | | 20 | 8.00 |
| Mosaic | | 1 | 6.00 |
| Mosaic (F2 System) | | 0 | 0 |
| Mosaic (Fuuki) | | 0 | 0 |
| Moto Frenzy | | 0 | 0 |
| Moto Frenzy (Field Test Version) | | 0 | 0 |
| Moto Frenzy (Mini Deluxe Field Test Version) | | 0 | 0 |
| Moto Frenzy (Mini Deluxe) | | 0 | 0 |
| MotoRace USA | | 5 | 7.20 |
| Motos | | 4 | 6.00 |
| Mouja (Japan) | | 1 | 7.00 |
| Mouse Trap (version 3) | | 2 | 9.50 |
| Mouse Trap (version 4) | | 0 | 0 |
Mouse Trap (version 5)  | | 2 | 9.00 |
| Mouser | | 1 | 8.00 |
| Mouser (Cosmos) | | 0 | 0 |
| MPU4 Video Firmware | | 0 | 0 |
| Mr Driller (DRI1/VER.A2) | | 5 | 8.40 |
| Mr Driller 2 (DR21 Ver.A) | | 0 | 0 |
| Mr. Do vs. Unicorns | | 2 | 8.00 |
| Mr. Do! | | 40 | 9.15 |
| Mr. Do! (bugfixed) | | 3 | 5.67 |
| Mr. Do! (prototype) | | 2 | 9.50 |
| Mr. Do! (Taito) | | 4 | 9.50 |
| Mr. Do's Castle (older) | | 2 | 9.50 |
| Mr. Do's Castle (set 1) | | 0 | 0 |
| Mr. Do's Castle (set 2) | | 1 | 10.00 |
| Mr. Do's Wild Ride | | 2 | 9.00 |
| Mr. Driller G (DRG1 Ver.A) | | 1 | 9.00 |
| Mr. Du! | | 0 | 0 |
| Mr. Goemon (Japan) | | 0 | 0 |
| Mr. HELI no Dai-Bouken | | 1 | 10.00 |
|
| Mr. Jong (Japan) | | 1 | 5.00 |
| Mr. Kougar | | 1 | 3.00 |
| Mr. Kougar (bootleg Set 2) | | 1 | 10.00 |
| Mr. Kougar (bootleg) | | 0 | 0 |
| Mr. Kougar (earlier) | | 0 | 0 |
| Mr. Lo! | | 0 | 0 |
| Mr. TNT | | 0 | 0 |
| Ms. Pac Attack | | 13 | 8.31 |
| MTV Rock-N-Roll Trivia (Part 2) | | 1 | 8.00 |
| Mug Smashers | | 0 | 0 |
| MuHanSeungBu (SemiCom Baseball) | | 0 | 0 |
| Multi 5 / New Multi Game 5 | | 1 | 10.00 |
| Multi Amenity Cassette System BIOS | | 3 | 2.33 |
| Multi Champ (Korea) | | 0 | 0 |
| Multi Champ (World) | | 1 | 6.00 |
| Multi Champ Deluxe (ver. 0106, 06/01/2000) | | 0 | 0 |
| Multi Champ Deluxe (ver. 1126, 26/11/1999) | | 1 | 10.00 |
| Munch Mobile (US) | | 0 | 0 |
| Muroge Monaco | | 0 | 0 |
| Muscle Bomber - The Body Explosion (Japan 930713) | | 3 | 8.00 |
| Muscle Bomber Duo - Heat Up Warriors (Japan 931206) | | 11 | 8.45 |
| Muscle Bomber Duo - Ultimate Team Battle (World 931206) | | 8 | 8.63 |
| Musoubana (Japan) | | 0 | 0 |
| Mustache Boy | | 1 | 7.00 |
| Mutant Fighter (World Rev 3, EM-4) | | 7 | 8.86 |
| Mutant Fighter (World Rev 4, EM-5) | | 9 | 9.67 |
| Mutant Night | | 2 | 10.00 |
| Mutation Nation | | 9 | 9.44 |
| MVP (set 1, Japan, FD1094 317-0142) | | 0 | 0 |
| MVP (set 2, US, FD1094 317-0143) | | 0 | 0 |
| MX5000 | | 1 | 8.00 |
| My Hero (Korea) | | 0 | 0 |
| My Hero (US) | | 4 | 9.50 |
| Mysterious Stones - Dr. John's Adventure | | 1 | 8.00 |
| Mysterious Stones - Dr. Kick in Adventure | | 2 | 10.00 |
| Mystic Defender (Mega-Tech) | | 3 | 8.00 |
| Mystic Marathon | | 0 | 0 |
| Mystic Riders (World) | | 4 | 9.50 |
| Mystic Warriors (ver EAA) | | 4 | 9.75 |
| Mystic Warriors (ver UAA) | | 4 | 10.00 |
