| Mario Edition | S.D.A. | Donkey Kong | Action > Platformer | NES | G | Improvement | 1.0 | 24 Jul 2019 |
| Mario End Game | CM30 | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.2 | 16 Jan 2013 |
| Mario Evolution | Googie | Super Mario Bros. | Action > Platformer | NES | G, L, T | Complete | 1.2 | 28 Sep 2006 |
| Mario Evolution 2 | Googie | Super Mario Bros. | Action > Platformer | NES | G, L, T, O | Complete | 1.0 | 28 May 2004 |
| Mario Gear - Mushroom Eater | U1 | Super Mario Bros. | Action > Platformer | NES | G, S, L, T, GP, O | Complete | 1.0 | 11 Jul 2003 |
| Mario Gives Up 1 | cyphermur9t | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP | Complete | 1.0 | 07 Feb 2013 |
| Mario Gives Up 2 | cyphermur9t | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP | Complete | 1.0 | 02 Sep 2011 |
| Mario Golf Toadstool Tour PAL 60hz Patch | Maeson | Mario Golf: Toadstool Tour | Sports | GC | O | Improvement | 1.0 | 13 Aug 2016 |
| Mario in: Some Usual Day | JaSp | Super Mario Bros. 3 | Action > Platformer | NES | G, S, L, T | Complete | 1.1 | 25 Oct 2005 |
| Mario In: Time Is Ticking | Googie | Super Mario Bros. | Action > Platformer | NES | G, S, L, T | Complete | 1.0 | 12 Oct 2007 |
| Mario is a Drug Addict | Marvin C | Super Mario RPG: Legend of the Seven Stars | Role Playing | SNES | G, S, L, T, GP, O | Complete | 1.1 | 28 May 2011 |
| Mario is Back! | RetroReality | Super Mario Bros. | Action > Platformer | NES | G, L | Complete | 1.0 | 23 Apr 2018 |
| Mario Is Lost On Mystic Island | teeporage777 | Super Mario Bros. | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.0 | 13 Dec 2017 |
| Mario is Missing 2: Luigi's New Adventure | Link2006 | Super Mario World | Action > Platformer | SNES | G, L | Complete | 1.3 | 04 Nov 2005 |
| Mario is Missing Done Right | Gamma V | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.1 | 23 Jul 2017 |
| Mario Kart | pacnsacdave | R.C. Pro-Am | Racing | NES | G, S, T, GP | Complete | 1.0 | 26 May 2019 |
| Mario Kart 64 CPUs use human items including shells | triclon | Mario Kart 64 | Racing | N64 | GP | Improvement | 2.5 | 18 Nov 2019 |
| Mario Kart R | d4s | Super Mario Kart | Racing | SNES | G, S, L, T | Complete | 1.1 | 23 Mar 2004 |
| Mario Mafia 2 | JGW | Super Mario Bros. | Action > Platformer | NES | G, L, GP | Complete | 1.0 | 01 Jan 2006 |
| Mario Mania | M.K.H | Super Mario Bros. | Action > Platformer | NES | G, L | Complete | 1.0 | 01 Jan 2000 |
