| “JUSTIN BAILEY” patch | Auximines | Super Metroid | Action Adventure | SNES | G | Improvement | 0.99b | 12 Dec 2007 |
| Zozo Sign Petty Fix | Madsiur | Final Fantasy III | Role Playing | SNES | G | Bug Fix | 1.0 | 21 Oct 2016 |
| Zombies Ate My Neighbors: Dr Tongue's Revenge | Skylar Brock | Zombies Ate My Neighbors | Action | SNES | L | Complete | 2.0 | 08 Jun 2017 |
| Zombies Ate My Neighbors: Bloody Disgusting Edition | Board_Avenger | Zombies Ate My Neighbors | Action | SNES | G | Improvement | 1.0 | 05 Jan 2019 |
| Zombies Ate My Neighbors Painful World Spikes Kaizo | Mario2005 | Zombies Ate My Neighbors | Action | SNES | G, S, L, T | Complete | 1.0 | 24 Feb 2021 |
| Zombies Ate my Neighbors Orange Juice | zefennekinfan | Zombies Ate My Neighbors | Action | SNES | G, S, L, T, GP, O | Complete | 1.1 | 15 Feb 2021 |
| Zombies Ate My Neighbors - The Sequel | Droter | Zombies Ate My Neighbors | Action | SNES | G, L, T, GP, O | Complete | 1.1 | 02 Sep 2017 |
| Zombie/Tapir | Leet Sketcher | Final Fantasy III | Role Playing | SNES | GP | Bug Fix | 1.2 | 03 Mar 2018 |
| Zombie/Rippler | Leet Sketcher | Final Fantasy III | Role Playing | SNES | GP | Bug Fix | 1.2 | 03 Mar 2018 |
| Zero Stance | ThegreatBen | Mega Man X3 | Action > Platformer | SNES | G | Improvement | 1.0 | 01 Mar 2017 |
| Zero Saber | Docrow | Mega Man X3 | Action > Platformer | SNES | GP, O | Addendum | 1.1 | 09 Jul 2017 |
| Zero Project | Justin3009 | Mega Man X3 | Action > Platformer | SNES | G, T, GP | Improvement | 3.1 | 31 Jan 2012 |
| Zenkoku Juudan Ultra Shinri Game Music Bugfix | Kung Fu Furby | Zenkoku Juudan Ultra Shinri Game | Other | SNES | S | Bug Fix | 1.0 | 28 Dec 2019 |
| Zelda: A Swear To The P*st | Meliz | The Legend of Zelda: A Link to the Past | Action Adventure | SNES | G, T | Complete | 1.0 | 08 Jan 2008 |
| Zelda3 Time & Day/Night cycling system | JaSp | The Legend of Zelda: A Link to the Past | Action Adventure | SNES | G | Improvement | 2.0 | 06 Sep 2006 |
| Zelda3 PuzzleDudes Quest | PuzzleDude | The Legend of Zelda: A Link to the Past | Action Adventure | SNES | L, GP | Complete | 1.1 | 06 Jan 2011 |
| Zelda3 Parallel Worlds | Euclid, SePH | The Legend of Zelda: A Link to the Past | Action Adventure | SNES | G, S, L, T, GP | Complete | 1.23 | 27 Mar 2017 |
| Zelda3 Parallel Remodel | Euclid, SePH, PuzzleDude | The Legend of Zelda: A Link to the Past | Action Adventure | SNES | G, S, L, T, GP | Complete | 1.1 | 09 Aug 2012 |
| Zelda3 IQ test Revenge of the Einstein | PuzzleDude | The Legend of Zelda: A Link to the Past | Action Adventure | SNES | G, L, T, GP | Complete | 1.0 | 29 Jan 2017 |
| Zelda3 IQ test Remodel | PuzzleDude | The Legend of Zelda: A Link to the Past | Action Adventure | SNES | G, L, T, GP | Complete | 1.0 | 06 Nov 2016 |
