| | Mocap Boxing (ver JAA) (clone of: mocapb) | 2001 | Konami | mocapbj | | 0.00 |
| | Mocap Golf (ver UAA) | 2001 | Konami | mocapglf | | 0.00 |
| | Model 110 | 1978 | Game Plan | gp_110 | | 0.00 |
| | Moero Justice Gakuen (JPN) / Project Justice (USA, EXP, KOR, AUS) (Rev A) | 2000 | Capcom | pjustic | | 4.55 |
 | Moero!! Pro Yakyuu Homerun Kyousou (sample of: homerun) | 1988 | Jaleco | homerun | Sports / Baseball | 6.20 |
| | Moeru Casinyo (GDL-0013) | 2002 | Altron | moeru | | 0.00 |
 | Moeyo Gonta!! (Japan) (clone of: ladykill) | 1993 | Yanyaka | moegonta | Misc. *Mature* | 0.00 |
 | Moguchan | 1982 | Orca (Eastern Commerce Inc. license) (bootleg?) | moguchan | Maze | 7.60 |
 | Mogura Desse (Japan) | 1991 | Konami | mogura | Misc. | 0.00 |
| | Mohican Sun (Konami Endeavour) | 1969 | Konami | mohicans | | 0.00 |
 | Mole Attack | 1982 | Yachiyo Electronics, Ltd. | mole | Misc. | 7.33 |
 | Momoko 120% | 1986 | Jaleco | momoko | Platform / Run Jump | 9.29 |
| | Monaco Grand Prix (Nova) (MPU4) | 1969 | Nova | m4mgpn | | 0.00 |
| | Monday Night Football (2.7, 50cts) | 1989 | Data East | mnfb_c27 | | 0.00 |
| | Monedin Joker (Spanish) (Barcrest) (MPU5) (set 1) | 1969 | Barcrest | m5monjok | | 0.00 |
| | Monedin Joker (Spanish) (Barcrest) (MPU5) (set 2) (clone of: m5monjok) | 1969 | Barcrest | m5monjoka | | 0.00 |
| | Money Bags (Bellfruit) (Scorpion 4) (set 1) | 1969 | BFM | sc4mbags | | 0.00 |
| | Money Bags (Bellfruit) (Scorpion 4) (set 2) (clone of: sc4mbags) | 1969 | BFM | sc4mbagsa | | 0.00 |
| | Money Bags (Bellfruit) (Scorpion 4) (set 3) (clone of: sc4mbags) | 1969 | BFM | sc4mbagsb | | 0.00 |
| | Money Bags (Bellfruit) (Scorpion 4) (set 4) (clone of: sc4mbags) | 1969 | BFM | sc4mbagsc | | 0.00 |
