| Kirby's Dank Course | h2643 | Kirby's Dream Course | Sports | SNES | L | Complete | 1.0 | 08 Jul 2016 |
| Kirby's Avalanche - Rewritten | Mips96 | Kirby's Avalanche | Puzzle | SNES | T | Improvement | 1.01 | 14 Dec 2021 |
| Kirby's Adventure: Debug Edition | SKCro | Kirby's Adventure | Action > Platformer | NES | GP, O | Improvement | 1.0 | 16 Oct 2019 |
| Kirby's Adventure UFO Fix | Dizzy9 | Kirby's Adventure | Action > Platformer | NES | GP | Improvement | 1.0 | 25 Nov 2010 |
| Kirby's Adventure Restitched | Giga571 | Kirby's Adventure | Action > Platformer | NES | L | Addendum | 2.0 | 01 Oct 2019 |
| Kirby's Adventure - Heaven or Hell Difficulty | Dombattag | Kirby's Adventure | Action > Platformer | NES | GP | Improvement | 2.0 | 29 Sep 2021 |
| Kirby! (A Gimmick! ROM Hack) | TYFc | Mr. Gimmick | Action > Platformer | NES | G | Complete | 1.0 | 13 Dec 2019 |
| Kirby Keeps Weapon | TonyOsh | Kirby's Adventure | Action > Platformer | NES | GP | Improvement | 1.0 | 31 Jan 2019 |
| Kirby in Sonic the Hedgehog 2 | Lone Devil | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, T, GP | Improvement | 1.0 | 25 Oct 2015 |
| Kirby in Sonic the Hedgehog | Lone Devil | Sonic the Hedgehog | Action > Platformer | GEN | G, T, GP | Improvement | 2.0 | 25 Oct 2015 |
| Kirby Hack | GGHGH | Kirby's Adventure | Action > Platformer | NES | L | Complete | 1.0 | 20 Feb 2020 |
| Kirby Bowl debug patch | Revenant | Kirby's Dream Course | Sports | SNES | O | Improvement | 1.0 | 27 Dec 2012 |
| Kirby 'n' | isaac (U) (Rev 1).fds | Kirby - Tilt 'n' Tumble | Action | GB | G | Addendum | 1.0 | 08 Jan 2022 |
| Kinnikuman: Dreammatch | Crying Onion | M.U.S.C.L.E. | Action > Fighting | NES | G, T | Improvement | 2.1 | 22 Oct 2020 |
| Kinnikuman - Muscle Hack Match | chironoworks | M.U.S.C.L.E. | Action > Fighting | NES | G | Improvement | 1.0 | 12 Jan 2001 |
| King's Valley 2 Enhancements | FRS | King's Valley II | Action > Platformer | MSX | O | Improvement | 2.2 | 15 Jul 2011 |
| King's Robes | Leet Sketcher | Final Fantasy III | Role Playing | SNES | G | Improvement | 1.2 | 06 Feb 2018 |
| King's Quest V Persistent Battery Saves | Homestar92 | King's Quest V: Absence Makes the Heart Go Yonder | Adventure | NES | O | Improvement | 1.1 | 31 Aug 2021 |
| King's Quest V - SCI Font | Big Hairy Marty | King's Quest V: Absence Makes the Heart Go Yonder | Adventure | NES | G | Improvement | 1.0 | 11 Feb 2017 |
| King's Defeat Restoration | Ellery | Art of Fighting | Action > Fighting | SNES | G | Improvement | 1.1 | 16 Jun 2021 |
