| Monster Bash (1.06) (clone of: mb_10) | 1998 | Williams | mb_106 | | 0.00 |
| Monster Bash (1.06b) (clone of: mb_10) | 1998 | Williams | mb_106b | | 0.00 |
| Monster Bash (2 board version) (clone of: monsterb) (sample of: monsterb) | 1982 | Sega | monsterb2 | | 0.00 |
| Monster Cash (Maygay) (M1A/B) | 1969 | Maygay | m1monstr | | 0.00 |
| Monster Cash Club (Crystal) (IMPACT) | 1969 | Crystal | j6monst | | 0.00 |
| Monster Farm Jump (Japan) | 2001 | Tecmo | mfjump | Platform / Run Jump | 7.99 |
| Monster Maulers (ver EAA) | 1993 | Konami | mmaulers | Fighter / Versus Co-op | 6.70 |
| Monster Slider (Japan) | 1997 | Visco / Datt Japan | mslider | Puzzle / Drop | 6.00 |
| Monster Zero | 1982 | Nihon Game | monsterz | | 0.00 |
| Monsters World (bootleg of Super Pang) | 1994 | bootleg (TCH) | mstworld | | 0.00 |
| Montana Bingo Stake 6/10 (Bingo) | 1969 | Splin | montana | | 0.00 |
| Monte Carlo | 1979 | Atari | montecar | Driving / Race | 6.50 |
| Monte Carlo (Barcrest) (MPU4) (set 1) | 1969 | Barcrest | m4monte | | 0.00 |
| Monte Carlo (Barcrest) (MPU4) (set 10) (clone of: m4monte) | 1969 | Barcrest | m4monte__i | | 0.00 |
| Monte Carlo (Barcrest) (MPU4) (set 11) (clone of: m4monte) | 1969 | Barcrest | m4monte__j | | 0.00 |
| Monte Carlo (Barcrest) (MPU4) (set 12) (clone of: m4monte) | 1969 | Barcrest | m4monte__k | | 0.00 |
| Monte Carlo (Barcrest) (MPU4) (set 13) (clone of: m4monte) | 1969 | Barcrest | m4monte__l | | 0.00 |
| Monte Carlo (Barcrest) (MPU4) (set 14) (clone of: m4monte) | 1969 | Barcrest | m4monte__m | | 0.00 |
| Monte Carlo (Barcrest) (MPU4) (set 2) (clone of: m4monte) | 1969 | Barcrest | m4monte__a | | 0.00 |
| Monte Carlo (Barcrest) (MPU4) (set 3) (clone of: m4monte) | 1969 | Barcrest | m4monte__b | | 0.00 |