| King's Valley 2 Enhancements | FRS | King's Valley II | Action > Platformer | MSX | O | Improvement | 2.2 | 15 Jul 2011 |
| 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 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 |
| English dubbing | [John] | King of Fighters: Maximum Impact - Maniax | Action > Fighting | PS2 | S | Improvement | 1.0 | 21 Jun 2019 |
| Duke with Normal power gauge. | [John] | King of Fighters: Maximum Impact - Maniax | Action > Fighting | PS2 | GP | Improvement | 1.0 | 15 Jun 2019 |
| King James Bible DX | kkzero | King James Bible | Other | GB | G, T, O | Improvement | 1.0 | 01 Apr 2022 |
| Selectable Eyedol | Justin3009 | Killer Instinct | Action > Fighting | SNES | GP | Improvement | 1.0 | 11 Jun 2013 |
| Killer Instinct MSU-1 | gizaha | Killer Instinct | Action > Fighting | SNES | S | Improvement | 2.0 | 16 Feb 2018 |
| Killer Instinct - Eyedol Edition Deluxe | NinjAkira | Killer Instinct | Action > Fighting | SNES | GP, O | Improvement | 1.0 | 09 Oct 2020 |
| Kid Kool JP Sprites | Zynk Oxhyde | Kid Kool and the Quest for the 7 Wonder Herbs | Action > Platformer | NES | G, T | Improvement | 1.0 | 13 Feb 2022 |
| Kid Icarus : Journey of a Warrior | Redrum | Kid Icarus: Of Myths and Monsters | Action > Platformer | GB | G, T | Improvement | 1.0 | 01 Aug 2009 |
| Kid Icarus ZZ | Zalbag | Kid Icarus | Action > Platformer | NES | G, L, T | Improvement | 1.0 | 04 Jul 2011 |
| Kid Icarus in NES Land Journey | Redrum | Kid Icarus | Action > Platformer | NES | G | Improvement | 1.0 | 01 Aug 2008 |
| Kid Icarus - Retold | dACE | Kid Icarus | Action > Platformer | NES | G | Improvement | 1.2 (240) | 29 Mar 2014 |
| Kid Icarus MMC1 to MMC3 Hack | infidelity | Kid Icarus | Action > Platformer | NES | O | Improvement | 1.0 | 07 Jun 2015 |
| Kid Icarus Randomizer | Rumbleminze | Kid Icarus | Action > Platformer | NES | L, T, GP | Complete | 1.0.6 | 26 Dec 2021 |
| Kid Dracula Restoration (GB Edition) | SCD | Kid Dracula | Action > Platformer | GB | G | Improvement | Final | 28 Mar 2021 |
| Kid Chameleon 2: Heady Metal's Revenge | super1rios | Kid Chameleon | Action > Platformer | GEN | G, L | Complete | 2017 | 17 May 2017 |
| Kid Chameleon Puzzle Map | Saxman | Kid Chameleon | Action > Platformer | GEN | L | Complete | 02/06/2010 | 06 Feb 2010 |
| Kid Chameleon 3: The Final Marathon | super1rios | Kid Chameleon | Action > Platformer | GEN | G, L | Complete | 1.7 | 28 Jul 2019 |
