| Z22: The Adventure of Link and Lonk | Von Fahrenheit | Zelda II: The Adventure of Link | Role Playing > Action RPG | NES | GP | Improvement | 1.1 | 03 Jul 2020 |
| YY-SMB | YY | Super Mario Bros. | Action > Platformer | NES | G, L | Complete | 2.55 | 20 Apr 1999 |
| Yuu Yuu Hakusho - Need not DATACH | wangsitan | Yuu Yuu Hakusho: Bakutou Ankoku Bujutsu Kai | Action > Fighting | NES | GP, O | Complete | 1.5 | 12 Feb 2019 |
| Yume Nikki: FC Demon's Revenge | Compass Man | Bomberman | Action | NES | G | Improvement | 1.0 | 20 Jan 2018 |
| Yuletide Bros. | Megafield64 | Mario Bros. | Action > Platformer | NES | G | Improvement | 1.0 | 21 Dec 2013 |
| Yuan Shao's Revenge | MiDKnighT | Destiny of an Emperor | Role Playing | NES | G, L, T, GP | Complete | 2.0 | 23 Aug 2012 |
| Yu-Gi-Oh: The Sacred Cards - Play as Mai Valentine | Rob009 | Yu-Gi-Oh! The Sacred Cards | Card Game | GBA | G | Improvement | 1.0 | 19 Jul 2020 |
| Yu-Gi-Oh!DotR_J_3D_Monsters_n_Cards | injoon84 | Yu-Gi-Oh! The Duelists of The Roses | Strategy > Turn Based | PS2 | G | Improvement | 1.0 | 04 Jul 2020 |
| Yu-Gi-Oh - The Sacred Cards: Text Overhaul | Rob009 | Yu-Gi-Oh! The Sacred Cards | Card Game | GBA | T | Improvement | 1.0 | 29 Jul 2020 |
| Yu-Gi-Oh - The Sacred Cards: Alternate (Male) Player Sprite | Rob009 | Yu-Gi-Oh! The Sacred Cards | Card Game | GBA | G | Improvement | 1.0 | 08 Sep 2020 |
| Ys US Master System FM sound patch | SSTranslations | Ys: The Vanished Omens | Role Playing | SMS | S, T | Improvement | 1.2 | 14 Aug 2009 |
| Youkai Hana Asobi NEW | gingerbeardman | Youkai Hana Asobi | Card Game | PSX | G | Improvement | 1.0 | 03 Jul 2019 |
| You're On Nintendo, Charlie Brown | Megafield64 | Super Mario Bros. | Action > Platformer | NES | G, T | Complete | 1.0 | 15 Jan 2014 |
| Yoshi’s Island: Yoshi Color Fix | Mattrizzle | Super Mario World 2: Yoshi’s Island | Action > Platformer | SNES | G | Improvement | 1.0 | 05 Jul 2007 |
| Yoshiharu Country's Adventure Final | Kahima System Inc. | Super Mario World | Action > Platformer | SNES | G, S, L, T | Complete | 1.0 | 01 Jan 2010 |
| Yoshi's Ultimate Island | GenerationStar Games | Super Mario World 2: Yoshi’s Island | Action > Platformer | SNES | G, L, T, O | Improvement | 1.0 | 06 Jul 2013 |
| Yoshi's Strange Quest | Yoshifanatic | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.3 | 15 Dec 2014 |
| Yoshi's Spring Adventure | teeporage777 | Super Mario Bros. | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.0 | 09 Jul 2017 |
| Yoshi's Paw | JonnyManjiro | Super Mario World | Action > Platformer | SNES | S, L, T | Complete | 1.0 | 07 Jul 2020 |
| Yoshi's Island: Pacifier Edition | DizzyFuzzy | Super Mario World 2: Yoshi’s Island | Action > Platformer | SNES | S | Improvement | 1.0 | 11 Dec 2015 |
