| Mario Tennis - All Nintendo Characters Unlocked | slurpeemachine | Mario Tennis | Sports | GB | O | Improvement | 1.2 | 09 Oct 2022 |
| Mario Tennis GBA - Clap Instrument Fix | Weario | Mario Tennis: Power Tour | Sports | GBA | S | Improvement | 1.0 | 13 Jun 2019 |
| Mario the Archaeologist: Part 1 and Part 2 | Mattan | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP | Complete | 1.0 | 01 Sep 2008 |
| Mario vs. Bowser and Mighty No. 9 | Roberto Zampari | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP | Complete | 2.0 | 09 May 2014 |
| Mario VS. Wario | Stickware Studios | Super Mario Bros. | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.0 | 28 Jul 2021 |
| Mario Vs. Wario | Stickware Studios | Super Mario Bros. | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.1 | 10 Sep 2021 |
| Mario's 2 Ways to Victory | aj6666 | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP | Complete | 1.0 | 19 Sep 2012 |
| Mario's Alley | Quest Games | Hogan's Alley | Action > Shooter | NES | G | Complete | 1.0 | 02 Mar 2016 |
| Mario's Amazing Adventure | superwiidude | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP | Complete | 1.0 | 06 Jun 2006 |
| Mario's Amazing Adventure Revitalized | superwiidude | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.3 | 24 Jun 2016 |
| Mario's Amazing Adventure Revitalized MSU-1 | superwiidude | Super Mario World | Action > Platformer | SNES | S | Addendum | 1.3 | 22 Sep 2020 |
| Mario's Christmas Adventure | CM30 | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.0 | 25 Dec 2013 |
| Mario's Escape | real retro kid knuckles | Nuts & Milk | Action | NES | G, S, L, T, GP, O | Improvement | 1.0 | 13 Dec 2020 |
| Mario's Journey Through Time & Space | Ice Man | Super Mario World | Action > Platformer | SNES | G, S, L, T | Complete | Final | 25 Apr 2014 |
| Mario's Keep | NesDraug | Super Mario Bros. | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.3 | 07 Apr 2021 |
| Mario's Keep CO-OP | NesDraug | Super Mario Bros. | Action > Platformer | NES | G, L, T, GP, O | Complete | 1.00 | 22 Apr 2021 |
| Mario's Mansion | Nintendo 64 Wizard | Luigi's Mansion | Action Adventure | GC | G, S, T | Improvement | 1.0 | 30 May 2021 |
| Mario's Moon Adventure | Romulus | Super Mario Bros. | Action > Platformer | NES | G, L, T | Complete | 1.0 | 24 Feb 2000 |
| Mario's Moonlight Adventure | teeporage777 | Super Mario Bros. | Action > Platformer | NES | G, L, T, GP | Complete | 1.0 | 13 Jun 2017 |
| Mario's New Year Mini Quest | Green Jerry | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP | Complete | 1.2 | 06 Feb 2021 |
