| | Matrimelee / Shin Gouketsuji Ichizoku Toukon (bootleg) (clone of: matrim) | 2002 | bootleg | matrimbl | | 0.00 |
| | Matrimelee / Shin Gouketsuji Ichizoku Toukon (NGM-2660) (NGH-2660) | 2002 | Noise Factory / Atlus | matrim | Fighter / Versus | 6.13 |
| | Matrix (Maygay - Impulse) (EPOCH) | 1969 | Maygay | ep_matrx | | 0.00 |
 | Mausuke no Ojama the World (J 960314 V1.000) | 1996 | Data East | mausuke | Puzzle / Drop | 5.18 |
| | Maverick (1.00) (clone of: mav_402) | 1994 | Sega | mav_100 | | 0.00 |
| | Maverick (Display Rev. 4.00) (clone of: mav_402) | 1994 | Sega | mav_400 | | 0.00 |
| | Maverick (Display Rev. 4.01) (clone of: mav_402) | 1994 | Sega | mav_401 | | 0.00 |
| | Maverick (Display Rev. 4.02) | 1994 | Sega | mav_402 | | 0.00 |
| | Maverick (JPM) (IMPACT) | 1969 | JPM | j6mavrk | | 0.00 |
| | Maverik | 1969 | | maverik | | 0.00 |
| | Max A Million (BGT) (set 1) | 1969 | BGT | bg_max | | 0.00 |
| | Max A Million (BGT) (set 2) (clone of: bg_max) | 1969 | BGT | bg_maxa | | 0.00 |
 | Max RPM (ver 2) | 1986 | Bally Midway | maxrpm | Driving / Race (chase view) | 6.60 |
| | Max-A-Flex | 1984 | Exidy | maxaflex | BIOS | 7.60 |
| | Maxi Double Poker (Ver. 1.10) | 1992 | Blitz Systems Inc. | maxidbl | | 0.00 |
| | Maxi-Dealer | 1983 | ACL Manufacturing | maxideal | | 0.00 |
| | Maxima (Pcp) (MPS) | 1969 | Pcp | j2maxima | | 0.00 |
| | Maximize (Union) (MPU4, set 1) | 1969 | Union | m4maxmze | | 0.00 |
| | Maximize (Union) (MPU4, set 2) (clone of: m4maxmze) | 1969 | Union | m4maxmzea | | 0.00 |
| | Maximize (Union) (MPU4, set 3) (clone of: m4maxmze) | 1969 | Union | m4maxmzeb | | 0.00 |
