| | Money Trail (Crystal) (MPU4) (set 1) | 1969 | Crystal | m4montrl | | 0.00 |
| | Money Trail (Crystal) (MPU4) (set 2) (clone of: m4montrl) | 1969 | Crystal | m4montrla | | 0.00 |
| | Money Trail (Crystal) (MPU4) (set 3) (clone of: m4montrl) | 1969 | Crystal | m4montrlb | | 0.00 |
| | Money Trail (Crystal) (MPU4) (set 4) (clone of: m4montrl) | 1969 | Crystal | m4montrlc | | 0.00 |
| | Money Trail (Crystal) (MPU4) (set 5) (clone of: m4montrl) | 1969 | Crystal | m4montrld | | 0.00 |
| | Money Trapper (Pcp) (MPS) | 1969 | Pcp | j2montrp | | 0.00 |
| | Mongolfier New (Italian) | 1969 | bootleg | mongolnw | | 0.00 |
| | Monkey Ball (GDS-0008) | 2001 | Sega | monkeyba | | 7.50 |
| | Monkey Business (Global) (EPOCH) (1.4, set 1) | 1969 | Global | ep_monky | | 0.00 |
| | Monkey Business (Global) (EPOCH) (1.5, set 2) (clone of: ep_monky) | 1969 | Global | ep_monkya | | 0.00 |
| | Monkey Business (Global) (M1A/B) | 1969 | Global | m1mb | | 0.00 |
| | Monkey Business / Toss The Monkey (Mazooma) (Scorpion 5) (set 1) | 1969 | Mazooma | sc5monky | | 0.00 |
| | Monkey Business / Toss The Monkey (Mazooma) (Scorpion 5) (set 2) (clone of: sc5monky) | 1969 | Mazooma | sc5monkya | | 0.00 |
| | Monkey Business Club (Global) (M1A/B) | 1969 | Global | m1mbclb | | 0.00 |
 | Monkey Donkey (clone of: ckong) | 1981 | bootleg | monkeyd | Platform / Run Jump | 0.00 |
 | Monkey Mole Panic (USA) | 1992 | Nakanihon / East Technology (Taito license) | mmpanic | Misc. | 6.80 |
 | Monky Elf (Korean bootleg of Avenging Spirit) (clone of: avspirit) | 1990 | bootleg | monkelf | | 0.00 |
| | Monopoly (2.33) (clone of: monopolp) | 2002 | Stern | monop233 | | 0.00 |
| | Monopoly (2.51) (clone of: monopolp) | 2002 | Stern | monop251 | | 0.00 |
| | Monopoly (3.01) (clone of: monopolp) | 2002 | Stern | monop301 | | 0.00 |
