| Redemption mechanical game |  Mini Golf | 1978 | Kusuno |
| Atari 2600 cart. |  Miniature Golf Model CX2626P | 1978 | Atari, Inc. CA, USA |
| Atari 2600 cart. | Miniature Golf Model CX2626 | 1978 | Atari, Inc. CA, USA |
| Arcade Video game | Miracle Super | 1978 | Esco Trading Co., Inc. |
| DEC PDP-11 disk | Misfit | 1978 | McPheters, Wolfe & Jones |
| Pinball | Miss Nessie | 1978 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Apple II cass. | Module 1 | 1978 | Softape |
| Apple II cass. | Module 3 | 1978 | Softape |
| Apple II cass. | Module 5 | 1978 | Softape |
| Apple II cass. | Module 6 | 1978 | Softape |
| Apple II cass. | Module 7 | 1978 | Softape |
| Apple II cass. | Module 8 | 1978 | Softape |
| Arcade Video game | Moon Base Spector | 1978 | Nichibutsu Nihon Bussan Co., Ltd. Osaka, Japan |
| PTC SOL-20 cass. | Moonlanding P | 1978 | Unknown |
| RCA COSMAC VIP cass. | Morra | 1978 | Von Neumann, John |
| Coin-op Misc. game | Morskoi Boi | 1978 | Unknown |
| RCA COSMAC VIP type-in | Mouse Trap - A Game for Pixie Graphics | 1978 | Association of Computer Experimenters |
| Pinball | Movie Masters | 1978 | IDI s.n.c. Italy |
| Handheld game | Mr. Challenger | 1978 | Texas Instruments |
| Pinball | Mr. Evil | 1978 | Recel, S.A. Madrid, Spain |
| Mattel Intellivision cart. | MTE-201 Test Cartridge | 1978 | Mattel Electronics Mattel, Inc. |
| Commodore PET cass. | Mugwump P | 1978 | Creative Computing Soft. |
| BASIC soft. type-in | Mugwump | 1978 | Workman Publishing NY, USA |
| DEC PDP-10 soft. | Multi-User Dungeon - MUD1 | 1978 | Trubshaw & Bartle |
| Slot Machine | Multimat Tip-Top | 1978 | Wulff, Günter Berlin, Germany |
| Kiddie Ride | Musical See-Saw | 1978 | Williams Electronics, Inc. Chicago, IL, USA |
| BASIC soft. type-in | Name | 1978 | Workman Publishing NY, USA |
| Bingo | Nashville | 1978 | Bally Mfg. Co. Chicago, IL, USA |
| BASIC soft. type-in | Nautical Navigation | 1978 | Personal Soft., Inc. |
| Mattel Intellivision cart. | NBA Basketball Model 2615 | 1978 | Mattel Electronics Mattel, Inc. |
| Pinball | Neptune Model 416A | 1978 | Gottlieb & Co., D. Chicago, IL, USA |
| RCA COSMAC ELF type-in | New Improved Target Game | 1978 | Quest Electronics |
| Gun game | New Shooting Trainer | 1978 | Nintendo Co., Ltd. Japan |
| Mattel Intellivision cart. | NFL Football Model 2610 | 1978 | Mattel Electronics Mattel, Inc. |
| BASIC soft. type-in | Nim | 1978 | Workman Publishing NY, USA |
| Zilog Z80 CPU soft. | No Strings Attached | 1978 | Benwill Publishing Corp. |
| North Star Horizon disk | North Atlantic Convoy Raider | 1978 | Bedrosian, Gary |
| Pinball | Nugent | 1978 | Stern Electronics, Inc. Elk Grove Village, IL, USA |
| North Star Horizon disk | Nukewar | 1978 | Bedrosian, Gary |
| BASIC soft. type-in | Number | 1978 | Workman Publishing NY, USA |
