| Atari 400/800 type-in |  Master's Golf | 1980 | SoftSide Publications, Inc. |
| Bally Astrocade type-in | Mastermind | 1980 | Fabris, Robert San Jose, CA, USA |
| Sharp MZ-80K type-in | Mastermind P | 1980 | Kosaido Publishing |
| Bally Astrocade type-in | Mastermind (alt. version) | 1980 | Fabris, Robert San Jose, CA, USA |
| Tabletop game | Match Me | 1980 | Kingsford |
| Commodore PET cass. | Matching Capital Letters Light Pen | 1980 | Micro-Ed, Inc. |
| Commodore PET cass. | Matching Rhythms | 1980 | Micro-Ed, Inc. |
| Commodore C64 disk | Math Shootout | 1980 | Micro-Ed, Inc. |
| Handheld game | Mathemagician | 1980 | APF Electronics, Inc. |
| Phillips Videopac cart. | Mathématicien + Echo | 1980 | Radiola La Radiotechnique Paris, France |
| Arcade Video game |  Maze | 1980 | Leijac Corp. Japan |
| Atari 2600 cart. | Maze Mania - A Game of Cops 'n Robbers Model 49-75157 | 1980 | Sears Chicago, IL, USA |
| Atari 400/800 type-in | Maze Search | 1980 | SoftSide Publications, Inc. |
| Bally Astrocade cass. | Maze-A-Matic | 1980 | Super Soft. |
| Handheld game | Melody Madness | 1980 | GAF |
| Bally Astrocade type-in | Memory Maze | 1980 | Walters, S.L. |
| Apple II 5.25 disk | Memory Myth | 1980 | Micro Power & Light |
| Chess board | Mephisto | 1980 | Hegener + Glaser AG |
| Slot Machine | Merkur Bingo | 1980 | ADP Merkur GmbH Gauselmann Group Germany |
| Slot Machine | Merkur Bingo Gold | 1980 | ADP Merkur GmbH Gauselmann Group Germany |
| Slot Machine | Merkur Hawaii | 1980 | ADP Merkur GmbH Gauselmann Group Germany |
| Slot Machine | Merkur Venus | 1980 | ADP Merkur GmbH Gauselmann Group Germany |
| Slot Machine | Merkur Venus blau | 1980 | ADP Merkur GmbH Gauselmann Group Germany |
| Pachinko | Meteor | 1980 | Heiwa Japan |
| TRS-80 cass. | Meteor Mission | 1980 | Big Five Soft. Van Nuys, CA, USA |
| Applied Technology Microbee cass. | Meteor Mission | 1980 | Big Five Soft. Van Nuys, CA, USA |
| TRS-80 cass. | Meteor Mission 2 | 1980 | Big Five Soft. Van Nuys, CA, USA |
| Arcade Video game | Meteor Part II | 1980 | Hoei International, Inc. Japan |
| TRS-80 type-in | Meteor Storm | 1980 | SoftSide Publications, Inc. |
| Apple II type-in | Meteor Storm | 1980 | SoftSide Publications, Inc. |
| Atari 400/800 type-in | Meteor Storm | 1980 | SoftSide Publications, Inc. |
| Arcade Video game | Meteor Cocktail model | 1980 | Hoei International, Inc. Japan |
| Arcade Video game | Meteor Upright model | 1980 | Hoei International, Inc. Japan |
| TRS-80 type-in | Micro 80 Pinball | 1980 | SoftSide Publications, Inc. |
| TRS-80 CoCo cart. | Micro Chess v2.0 | 1980 | Tandy Corp. |
| Apple II 5.25 disk | Micro League Baseball | 1980 | Stoneware |
| TRS-80 type-in | Micro Millionaire | 1980 | SoftSide Publications, Inc. |
| TRS-80 cass. | Micro-80 Pinball Machine | 1980 | Micro-80, Inc. |
| TRS-80 cass. | Microchess | 1980 | Rainbow Computing, Inc. |
| TRS-80 CoCo cart. | Microchess P | 1980 | Tandy Corp. |
