Title  | Released By | Original Game | Genre | Platform | Mods | Category | Ver | Date |
|---|---|---|---|---|---|---|---|---|
| Kanji Mario Bros | Mikachu | Super Mario Bros. | Action > Platformer | NES | G, L, T | Complete | 1.0 | 01 Jan 2003 |
| Karate Champed | S. K. Dumbbus | Karate Champ | Action > Fighting | NES | G, T, O | Improvement | 1.0 | 26 Jan 2017 |
| Karnov - Hack by LANCUSTER | lancuster | Karnov | Action > Platformer | NES | G, L, T, GP, O | Improvement | 1.0 | 27 Jun 2016 |
| Karnov Rage | Metal64 | Streets of Rage 2 | Action > Beat 'Em Up | GEN | G, S, O | Improvement | 1.0 | 04 Dec 2018 |
| Karous Music Mod | Rolly | Karous | Action > Shooter | DC | S | Improvement | 1.0.0 | 15 May 2020 |
| Kart Fighter Improvement | Doomkid | Kart Fighter | Action > Fighting | NES | G | Improvement | 1.2 | 10 May 2020 |
| Kartal's mini War Room 2020 | Kartal | Advance Wars 2: Black Hole Rising | Strategy > Turn Based | GBA | L | Complete | 1.0 | 17 Dec 2020 |
| Kawa Mario Bros 3 | ramheroe | Super Mario Bros. 3 | Action > Platformer | NES | L, T | Complete | 1.0 | 11 Apr 2017 |
| Kawa Mario Bros 3 Light | ramheroe | Super Mario Bros. 3 | Action > Platformer | NES | L, T | Complete | 1.0 | 13 Jan 2021 |
| Keep Banana Coins | Blaziken257 | Donkey Kong Land II | Action > Platformer | GB | GP, O | Improvement | 1.0 | 25 Oct 2015 |
| Keep Bear Coins | Blaziken257 | Donkey Kong Land III | Action > Platformer | GB | GP, O | Bug Fix | 1.0 | 25 Oct 2015 |
| Keep Da Flo Edition | Alianger | Sonic the Hedgehog 2 | Action > Platformer | GEN | GP | Improvement | 0.9 | 21 Nov 2016 |
| Keine-san | DASTARD | Moai Kun | Puzzle | NES | G | Improvement | 1.0 | 01 Jun 2009 |
| Kevin | Szemigi | Super Mario Bros. | Action > Platformer | NES | G, T, GP, O | Improvement | full | 23 Feb 2019 |
| Kevin Bros. Classic | Szemigi | Mario Bros. | Action > Platformer | NES | G, T, O | Improvement | full | 05 Mar 2019 |
| Kid Chameleon 2: Heady Metal's Revenge | super1rios | Kid Chameleon | Action > Platformer | GEN | G, L | Complete | 2017 | 17 May 2017 |
| Kid Chameleon 3: The Final Marathon | super1rios | Kid Chameleon | Action > Platformer | GEN | G, L | Complete | 1.7 | 28 Jul 2019 |
| Kid Chameleon Puzzle Map | Saxman | Kid Chameleon | Action > Platformer | GEN | L | Complete | 02/06/2010 | 06 Feb 2010 |
| Kid Chameleon: The Last Showdown | Xris | Kid Chameleon | Action > Platformer | GEN | L, T, GP | Complete | Final | 26 Sep 2020 |
| Kid Dracula Restoration (GB Edition) | SCD | Kid Dracula | Action > Platformer | GB | G | Improvement | Final | 04 Jul 2020 |
