| Pinball |  Monarch | 1933 | Bally Mfg. Co. Chicago, IL, USA |
| Bowler | Monarch Bowler | 1959 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Money Back Model 804 | 1966 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Money Gusher 5-coin Multiple Model 809-ZH | 1967 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Money Honey Alt. Model | 198? | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Money Honey Model 742A | 1964 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Monicker | 1941 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Monkey's Fortune | 200? | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Monster Luck | 200? | Bally Mfg. Co. Chicago, IL, USA |
| Video Slot Machine | Montana Gold - Video Poker | ???? | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Monte Carlo Model 1117 | 1977 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Monte Carlo Model 739 | 1963 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Monte Carlo Model 964 | 1973 | Bally Mfg. Co. Chicago, IL, USA |
| Gun game | Moon Raider | 1959 | Bally Mfg. Co. Chicago, IL, USA |
| Kiddie Ride | Moon Ride Model 557 | 1954 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Moon Shot | 1963 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Motorized Automatic Model 794 | 1965 | Bally Mfg. Co. Chicago, IL, USA |
| Coin-op Misc. game | Mount Royal | 193? | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Mr. & Mrs. Pac-Man Pinball Model 1283 | 1982 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Multi Liner Model 884 | 1971 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Multi-Bell | 1948 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Multiple Model 74 | 1936 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Multiple Model 93 | 1936 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Mustang II | 197? | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Mustang Model 1052 | 1976 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Mustang Model 903 | 1971 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Mustang Model 918 | 1972 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball |  Mysterian Model 868 | 1982 | Bally Mfg. Co. Chicago, IL, USA |
| Bingo | Mystic Gate Model 1017 | 1975 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Mystic Lamp Model 1071-3 | 1975 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Mystic Model 1192 | 1980 | Bally Mfg. Co. Chicago, IL, USA |
| Bowler | Mystic-Bowler | 1954 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Mythic Lamp | 200? | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | N.Y. Gold | 200? | Bally Mfg. Co. Chicago, IL, USA |
| Bingo | Nashville | 1978 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Natural | 1936 | Bally Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Natural | 1934 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | New Improved Rocket Model 2 | 1934 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | New Rapid Fire | 1941 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | New Sport Page Model 218 | 1938 | Bally Mfg. Co. Chicago, IL, USA |
