| Yet Another SMW Hack | Jp32 | Super Mario World | Action > Platformer | SNES | G, S, L, T | Complete | 1.0 | 30 Jul 2017 |
| YoonA: The Raid of the Black Girls' Generation | w7n | Super Mario Bros. | Action > Platformer | NES | G, S, L, T | Complete | 1.01 | 07 Aug 2011 |
| Yoshi's Cookie Title Screen Hack | Q | Yoshi's Cookie | Puzzle | SNES | G, O | Improvement | 1.0 | 08 Nov 2018 |
| Yoshi's Island (SMA 3) Colour Restoration | ShadowOne333 | Yoshi's Island: Super Mario Advance 3 | Action > Platformer | GBA | G, O | Improvement | 2.0 | 19 Oct 2015 |
| Yoshi's Island - Kamek's Revenge | S.N.N. | Super Mario World 2: Yoshi’s Island | Action > Platformer | SNES | G, S, L, T, O | Complete | 1.0 | 30 Sep 2007 |
| Yoshi's Island - No Crying, Improved SFX and Red Coins | Trisma | Super Mario World 2: Yoshi’s Island | Action > Platformer | SNES | G, S | Improvement | 1.0 | 30 Mar 2018 |
| Yoshi's Island DS Music Hack | xXchainchomp01 | Yoshi's Island DS | Action > Platformer | NDS | S | Improvement | 3 | 02 Feb 2020 |
| Yoshi's Island Voice Removal | mangaman3000 | Yoshi's Island: Super Mario Advance 3 | Action > Platformer | GBA | S | Improvement | 0.1 | 11 Oct 2015 |
| Yoshi's Island: Pacifier Edition | DizzyFuzzy | Super Mario World 2: Yoshi’s Island | Action > Platformer | SNES | S | Improvement | 1.0 | 11 Dec 2015 |
| Yoshi's Paw | JonnyManjiro | Super Mario World | Action > Platformer | SNES | S, L, T | Complete | 1.0 | 07 Jul 2020 |
| Yoshi's Spring Adventure | teeporage777 | Super Mario Bros. | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.0 | 09 Jul 2017 |
| 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 Ultimate Island | GenerationStar Games | Super Mario World 2: Yoshi’s Island | Action > Platformer | SNES | G, L, T, O | Improvement | 1.0 | 06 Jul 2013 |
| 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 Island: Yoshi Color Fix | Mattrizzle | Super Mario World 2: Yoshi’s Island | Action > Platformer | SNES | G | Improvement | 1.0 | 05 Jul 2007 |
| You're On Nintendo, Charlie Brown | Megafield64 | Super Mario Bros. | Action > Platformer | NES | G, T | Complete | 1.0 | 15 Jan 2014 |
| Youkai Hana Asobi NEW | gingerbeardman | Youkai Hana Asobi | Card Game | PSX | G | Improvement | 1.0 | 03 Jul 2019 |
| Ys US Master System FM sound patch | SSTranslations | Ys: The Vanished Omens | Role Playing | SMS | S, T | Improvement | 1.2 | 14 Aug 2009 |
| 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 |
| 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 |
