| Surface Fire | Inventor | Millipede | Action > Shooter | NES | G | Improvement | 1.0 | 01 Jan 2001 |
| Mini Putt MMC1 to MMC3 | BZK | Mini Putt | Sports | NES | O | Improvement | 001 | 03 Oct 2016 |
| Miracle Warriors Improvement | Penta Penguin | Miracle Warriors: Seal of the Dark Lord | Role Playing | SMS | GP | Improvement | 1.0 | 20 Aug 2014 |
| Luigi Kun | Googie | Moai Kun | Puzzle | NES | G, L | Complete | 1.0 | 20 Aug 2012 |
| Angry Birds | Googie | Moai Kun | Puzzle | NES | L | Complete | 1.0 | 16 Apr 2014 |
| Keine-san | DASTARD | Moai Kun | Puzzle | NES | G | Improvement | 1.0 | 01 Jun 2009 |
| Mobile Suit Gundam: Federation vs. Zeon & DX Voice Mod | Rolly | Mobile Suit Gundam: Earth Federation vs. Zeon | Action > Beat 'Em Up | DC | S | Improvement | 1.0.0 | 08 Jun 2020 |
| El santo y blue demon contra los monstruos | FRCBMEX | Monster in My Pocket | Action > Platformer | NES | G | Improvement | 0.91 | 20 Oct 2013 |
| Monster Party Prototype Restoration | Cubivore10 | Monster Party | Action > Platformer | NES | G, L | Improvement | 1.0 | 03 Jan 2013 |
| Parody World Revisited | HylianFox | Monster Party | Action > Platformer | NES | G, T | Improvement | 1.1 | 27 Nov 2017 |
| Monster Party MMC5 Patch | Dracula X | Monster Party | Action > Platformer | NES | O | Improvement | 1.1 | 20 Jul 2020 |
| Parody World - Monster Party (Japan) MMC5 Patch | Dracula X | Monster Party | Action > Platformer | NES | O | Improvement | 1.1 | 21 Jul 2020 |
| Elvira's Monster Party | Garrett Gilchrist | Monster Party | Action > Platformer | NES | G, T | Complete | 13 | 07 Oct 2020 |
| Monster Rancher 2 swim bugfix | STARWIN | Monster Rancher 2 | Strategy | PSX | GP | Bug Fix | 20170606 | 06 Jun 2017 |
| Monster Rancher 2 Seasonal Shrine | STARWIN | Monster Rancher 2 | Strategy | PSX | GP | Improvement | 20170611 | 11 Jun 2017 |
| Moon Crystal 2014 | DANGER X | Moon Crystal | Action > Platformer | NES | G, T, GP | Improvement | 2.0 | 11 Apr 2015 |
| Moon Crystal Nightmare | DANGER X | Moon Crystal | Action > Platformer | NES | G, L, T, GP | Improvement | 1.0 | 07 Jun 2015 |
| Moon Crystal Advanced | DANGER X | Moon Crystal | Action > Platformer | NES | G, L, T, O | Complete | 1.2 | 05 Dec 2015 |
| Moon Crystal Stage Select Hack | DANGER X | Moon Crystal | Action > Platformer | NES | O | Improvement | 1.0 | 01 Feb 2016 |
| Mortal Kombat : Dullard Cheat Menu Enhancement | hiro1112 | Mortal Kombat | Action > Fighting | GEN | G, T | Bug Fix | 1.0 | 06 Aug 2006 |
