| Naruto: Gekitou Ninja Taisen! 4 | break | Naruto: Gekitou Ninja Taisen! 4 | Action > Fighting | GC | G, T, GP, O | Improvement | 1.3.42 | 20 Dec 2021 |
| Narshe's Door | Leet Sketcher | Final Fantasy III | Role Playing | SNES | L | Bug Fix | 1.3 | 13 Jul 2017 |
| Narc Uncut | Magnus Nilsson | NARC | Action > Shooter | NES | G, T | Improvement | 1.0 | 26 Feb 2015 |
| NARC Easy | chronix | NARC | Action > Shooter | NES | GP | Improvement | 1.0 | 24 Feb 2019 |
| Nanotek Warrior: New control buttons config. | Mr2 | Nanotek Warrior | Action > Shooter | PSX | O | Improvement | 0.1 | 27 Feb 2023 |
| Nancy | Pangent Technologies | Mickey Mousecapade | Action > Platformer | NES | G | Complete | 2.0 | 04 Dec 2020 |
| Name Fix Patch | Chronosplit | Final Fantasy Tactics | Strategy > Turn Based | PSX | T | Improvement | Complete | 24 Mar 2016 |
| Nagae San | DASTARD | Dig Dug II: Trouble in Paradise | Action | NES | G, T | Improvement | 1.0 | 01 Jul 2008 |
| N64 NTSC Patches | GhostlyDark | Multiple Games | Unknown | N/A | O | Improvement | 2.1.1 | 24 Aug 2019 |
| MZelda | Mako Gesher | The Legend of Zelda | Action Adventure | NES | L, T, GP | Complete | 1.0 | 19 Sep 2003 |
| Myth of Jitra: Year of the Oakline | Rokon | The Legend of Zelda: Ocarina of Time | Action Adventure | N64 | T | Improvement | Delta | 26 Sep 2021 |
| Mystical Ninja Goemon Hack | FlashPV | The Legend of the Mystical Ninja | Action Adventure | SNES | G, T, O | Improvement | 1.02 | 25 Feb 2020 |
| Mystical Ninja 2 Starring Goemon - 4-Player coop unlocked | gallaux | Mystical Ninja 2 Starring Goemon | Action > Platformer | N64 | GP | Improvement | 1.0 | 04 Feb 2023 |
| Mystic Quest Reborn | JCE3000GT | Final Fantasy: Mystic Quest | Role Playing | SNES | G, S, L, T, GP, O | Improvement | 2.0 | 15 Jun 2012 |
| Mystic Quest Impossible Mod | JCE3000GT | Final Fantasy: Mystic Quest | Role Playing | SNES | GP | Improvement | 1.0 | 16 Aug 2011 |
| Mystic Quest EasyType | JCE3000GT | Final Fantasy: Mystic Quest | Role Playing | SNES | GP | Improvement | 1.0 BETA | 01 Sep 2009 |
| Mystic Ark EasyType | JCE3000GT | Mystic Ark | Role Playing | SNES | GP | Improvement | 1.0 FINAL | 17 Nov 2011 |
| Myon Myon | DASTARD | Son Son | Action > Platformer | NES | G, T | Improvement | 1.0 | 01 Sep 2007 |
| My Little Pony: Dr. Discord's Conquest | RetiredBrony | Mega Man 3 | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.0 | 03 Jan 2014 |
| MW III Title Screen Revamp | ArcadeTV | Wonder Boy in Monster World | Action > Platformer | GEN | G | Complete | 1.2 | 16 Mar 2022 |
