| Megatouch III (9255-20-06 RON, California version) (clone of: megat3) | 1996 | Merit | megat3ca | | 0.00 |
| Megatouch III (9255-20-07 ROG, New Jersey version) (clone of: megat3) | 1995 | Merit | megat3nj | | 0.00 |
| Megatouch III Tournament Edition (9255-30-01 ROE, Standard version) (clone of: megat3) | 1996 | Merit | megat3te | | 0.00 |
| Megatouch IV (9255-40-01 RO, Standard version) (clone of: megat4) | 1996 | Merit | megat4d | | 0.00 |
| Megatouch IV (9255-40-01 ROA, Standard version) (clone of: megat4) | 1996 | Merit | megat4c | | 0.00 |
| Megatouch IV (9255-40-01 ROB, Standard version) (clone of: megat4) | 1996 | Merit | megat4b | | 0.00 |
| Megatouch IV (9255-40-01 ROD, Standard version) (clone of: megat4) | 1996 | Merit | megat4a | | 0.00 |
| Megatouch IV (9255-40-01 ROE, Standard version) | 1996 | Merit | megat4 | | 0.00 |
| Megatouch IV Tournament Edition (9255-50-01 ROA, Standard version) (clone of: megat4) | 1996 | Merit | megat4tea | | 0.00 |
| Megatouch IV Tournament Edition (9255-50-01 ROD, Standard version) (clone of: megat4) | 1996 | Merit | megat4te | | 0.00 |
 | Meijinsen | 1986 | SNK | meijinsn | Unplayable | 0.00 |
 | Meikyu Jima (Japan) | 1988 | Irem | kikcubic | Puzzle / Maze | 9.31 |
 | Meikyuu Hunter G (Japan, set 1) (clone of: ghostb) | 1987 | Data East Corporation | meikyuh | Shooter / Walking | 0.00 |
 | Meikyuu Hunter G (Japan, set 2) (clone of: ghostb) | 1987 | Data East Corporation | meikyuha | | 0.00 |
 | Mello Yello Q*bert (clone of: qbert) (sample of: qbert) | 1982 | Gottlieb | myqbert | Platform / Run Jump | 0.00 |
| Melty Blood Act Cadenza (Rev C) (GDL-0028C) | 2005 | Ecole Software | meltybld | | 5.00 |
| Melty Blood Act Cadenza Ver B (GDL-0039) | 2006 | Ecole Software | meltyb | | 10.00 |
| Melty Blood Act Cadenza Ver B (Rev A) (GDL-0039A) (clone of: meltyb) | 2006 | Ecole Software | meltyba | | 0.00 |
| Melty Blood Actress Again | 2008 | Type-Moon/Ecole | mbaa | | 7.75 |
| Memory Lane | 1978 | Stern | memlane | | 0.00 |