| Motor City Patrol | US | 1992-01 |
Matchbox International Ltd | Commercial |
| Motor City Patrol | WORLD | 1992-01 |
Matchbox | Commercial |
| Motril 2047 | WORLD | |
| Prototype |
| Mottomo Abunai Deka | JP | 1990-02-06 |
Toei Animation | Commercial |
| Moulin Rouge Senki - Melville no Honoo | JP | 1989-08-11 |
Gakken | Commercial |
| Mouryou Senki Madara | JP | 1990-03 |
Konami | Commercial |
| Mouser | WORLD | |
| Prototype |
| Mouser II | WORLD | |
| Unlicensed |
| Moyu Yingxiong Chuan - Hero on Devil Lands | CN | |
Fuzhou Waixing Computer Science & Technology | Unlicensed |
| Mr Mary | AS | |
| Unlicensed |
| Mr. Assy - Momoco & Hanako | AS | 1990 |
Sunsoft | Prototype |
| Mr. Dragon's Short Quest | WORLD | 2025-01 |
DobyGames | Unlicensed |
| Mr. Gimmick | EU | 1993-05-19 |
Sunsoft | Commercial |
| Mr. Gimmick | US | 1993-05-19 |
Sunsoft | Prototype |
| Mr. Gimmick | WORLD | 1992-01-31 |
Sunsoft | Commercial |
| Mr. Run and Jump | WORLD | |
| Unlicensed |
| Mr. Splash | FR | 2007-12 |
Sunsoft | Unlicensed |
| Mr. Splash | JP | 1992-01 |
Sunsoft | Unlicensed |
| Ms. Pac-Man | US | 1993-11 |
Namco Hometek | Commercial |
| Ms. Pac-Man | US | 1993-11 |
Namco Hometek | Unlicensed |
| Muchang Wuyu | CN | |
| Unlicensed |
| Mugen Senshi Valis | JP | 1987-08 |
Tokuma Shoten | Commercial |
| Multidude | WORLD | 2019 |
Mega Cat Studios | Unlicensed |
| Mummy - Egyptian Puzzle | WORLD | 2024-07 |
Adam Pankiewicz | Unlicensed |
| Munchie Attack | WORLD | |
| Unlicensed |
| Muppet Adventure - Chaos at the Carnival | US | 1990-11 |
HiTech Software | Commercial |
| Muppet Adventure - Chaos at the Carnival | US | 1990-11 |
Hi Tech Expressions | Prototype |
| Murder Club - Honkaku Mystery Adventure | JP | 1989-06 |
SETA | Commercial |
| Murder in the Maze | WORLD | |
| Unlicensed |
| Musashi no Bouken | JP | 1990-12 |
Sigma Enterprises | Commercial |
| Musashi no Ken - Tadaima Shugyou Chuu | JP | 1986-08 |
Taito | Commercial |
| Musical Quest | WORLD | |
| Prototype |
| My Life My Love - Boku no Yume - Watashi no Negai | JP | 1991-08-03 |
Banpresto | Commercial |
| Mystery Quest | US | 1989-04 |
Taxan USA Corp | Commercial |
| Mystery World Dizzy | EU | 2017 |
Codemasters | Unlicensed |
| Mystery World Dizzy | US | 2017 |
Codemasters | Unlicensed |
| Mystery World Dizzy | WORLD | 2017 |
Oliver Twins | Unlicensed |
| Mystic Origins | US | 2017-11 |
The New 8-Bit Heroes | Unlicensed |
| Mystic Origins | US | 2017-11 |
The New 8-Bit Heroes | Prototype |
| Mystic Pillars | WORLD | 2008-11 |
Retrozone | Unlicensed |
| NARC | RU | 1990-08 |
| Unlicensed |
| NARC | US | 1990-08 |
Acclaim Entertainment | Commercial |
| NARC | US | 1990-08 |
Acclaim Entertainment | Prototype |
| NBA '98 | AS | |
| Unlicensed |
| NBA Live 96 | AS | 1993-12 |
| Unlicensed |
| NES Hangman | WORLD | |
| Unlicensed |
| NES Open Tournament Golf | EU | 1992-06-18 |
Nintendo | Commercial |
| NES Open Tournament Golf | US | 1991-09 |
Nintendo | Commercial |
| NES Open Tournament Golf | US | 1991-09 |
Nintendo | Prototype |
| NES Play Action Football | US | 1990-09 |
Nintendo | Commercial |
| NES Play Action Football | US | 1990-09 |
Nintendo | Prototype |
| NES Pong | WORLD | |
| Unlicensed |
| NES Puzzle Maker Test | WORLD | |
| Demo |
| NES Virus Cleaner | WORLD | 2016 |
Airwalk Studios | Unlicensed |
| NES Virus Cleaner | WORLD | 2016 |
Airwalk Studios | Prototype |
| NES-Chinko | WORLD | |
| Unlicensed |
| NESDev '19 Compo Cart | WORLD | 2020-12 |
Action 53 | Unlicensed |
| NESert Golfing | WORLD | 2022-10-15 |
RainWarrior | Unlicensed |
| NESert Golfing - Tournament Edition | WORLD | 2019-11-24 |
RainWarrior | Unlicensed |
| NESertBus | WORLD | |
| Unlicensed |
| NESnake 2 | WORLD | 2008-09 |
Matrixz | Unlicensed |
| NFL | US | 1989-09 |
LJN | Commercial |
| NHK Gakuen - Space School - Sansu 5 Nen | JP | 1989 |
Tokyo Shoseki | Commercial |
| NHK Gakuen - Space School - Sansu 6 Nen | JP | 1989 |
Tokyo Shoseki | Commercial |
| NNNNNN | WORLD | 2019-12 |
Nathan Tolbert | Unlicensed |
| NOFX Cover Cart Vol. 1 | WORLD | 2012 |
HeavyW8Bit | Unlicensed |
| NTDEC 22-in-1 | AS | |
| Unlicensed |
| Nagagutsu o Haita Neko - Sekai Isshuu 80 Nichi Daibouken | JP | 1986-11 |
Toei Animation | Commercial |
| Nagagutsu o Haita Neko - Sekai Isshuu 80 Nichi Daibouken | JP | 1986-11 |
Toei Animation | Prototype |
| Nakajima Satoru - F-1 Hero | JP | 1988-12-09 |
Sammy | Commercial |
| Nakajima Satoru Kanshuu - F-1 Hero 2 | JP | 1991-09 |
Varie | Commercial |
| Nakayoshi to Issho | JP | 1993-12-10 |
Yutaka | Commercial |
| Nalara Superboy | KR | 1990 |
Color Dreams | Unlicensed |
| Nalleland | WORLD | 2020-03 |
Nallebeorn | Unlicensed |
| Namco Classic | JP | 1988-05-27 |
Namco | Commercial |
| Namco Classic II | JP | 1992-03-13 |
Namco | Commercial |
| Namco Prism Zone - Dream Master | JP | 1992-09 |
Namco | Commercial |
| Namcot Mahjong III - Mahjong Tengoku | JP | 1991-03-08 |
Namco | Commercial |
| Nanaca Crash | WORLD | |
| Unlicensed |
| Nangoku Shirei!! - Spy vs Spy | JP | 1987-03 |
Kemco | Commercial |
| Nantettatte!! Baseball | JP | 1990-10-26 |
Sunsoft | Commercial |
| Nantettatte!! Baseball | JP | 1990-10-26 |
Sunsoft | Demo |
| Nantettatte!! Baseball + Nantettatte!! Baseball - Ko-Game Cassette - '91 Kaimaku Hen | JP | 1991-05 |
Sunsoft | Commercial |
| Nantettatte!! Baseball + Nantettatte!! Baseball - Ko-Game Cassette - OB All Star Hen | JP | 1990-12 |
Sunsoft | Commercial |
| Napoleon Senki | JP | 1988-03-18 |
Irem | Commercial |
| Naruto RPG - Huoying Renzhe | CN | |
| Unlicensed |
| Navy Blue | JP | 1992-02-14 |
I'Max | Commercial |
| Nazo no Murasamejou | AS | |
| Unlicensed |
| NeSnake | WORLD | 2004-07 |
Matrixz | Unlicensed |
| Nebs 'n Debs | WORLD | 2018-12 |
Broke Studio | Demo |
| Nekketsu Kakutou Densetsu | JP | 1992-12 |
Technōs Japan | Commercial |
| Nekketsu Kouha Kunio-kun | JP | 1987-04 |
Taito | Commercial |
| Nekketsu Koukou Dodgeball-bu | JP | 1988-07 |
Sony Imagesoft | Commercial |
| Nekketsu Koukou Dodgeball-bu - Soccer Hen | JP | 1990-05 |
Nintendo | Commercial |
| Nekketsu! Street Basket - Ganbare Dunk Heroes | JP | 1993-12-22 |
Technōs Japan | Commercial |
| Neotoxin | WORLD | |
| Prototype |
| Nerdle | WORLD | |
| Unlicensed |
| Nesglovphone | WORLD | |
| Unlicensed |
| Nessy the NES Robot | WORLD | 2020-05 |
Daniel T. Gaming | Demo |
| Nessy the NES Robot | WORLD | 2020-05 |
Daniel T. Gaming | Unlicensed |