| Anchor Feet Begone | ReservedJV | Kirby's Dream Land 3 | Action > Platformer | SNES | GP | Improvement | 1.0 | 13 Dec 2016 |
| Klax E1M1: At Doom's Gate | Damian Yerrick | Klax | Puzzle | NES | S | Improvement | 1.0 | 21 Sep 2018 |
| Gantz to Guntz | SCD | Klonoa 2: Dream Champ Tournament | Action | GBA | T | Improvement | Final | 11 Aug 2020 |
| Knight Rider - MMC1 to MMC3 | infidelity | Knight Rider | Racing | NES | O | Improvement | 1.0 | 16 Nov 2013 |
| Sonic in Chaotix | JJFTails | Knuckles' Chaotix | Action > Platformer | 32X | G | Improvement | 1.2 | 11 Nov 2006 |
| Castlevania Adventure (Konami Col. Autoboot Hack) | dACE | Konami GB Collection Vol. 1 | Other | GB | GP, O | Improvement | 2.0 | 22 Mar 2016 |
| Probotector / Contra Operation C (Konami Col. Autoboot Hack) | tidi | Konami GB Collection Vol. 1 | Other | GB | O | Improvement | 1.0 | 20 Mar 2018 |
| 10 Lives Code for Probotector/Operation C Colorized Version | dACE | Konami GB Collection Vol. 1 | Other | GB | O | Improvement | 1.0 | 29 Mar 2018 |
| Probotector - play as robot | Digital Warrior | Konami GB Collection Vol. 1 | Other | GB | G | Improvement | 1.0 | 11 Nov 2019 |
| Frogger (Konami Col. Autoboot Hack) | tidi | Konami GB Collection Vol. 2 | Other | GB | O | Improvement | 1.0 | 19 Mar 2018 |
| Castlevania II: Belmont's Revenge (Konami Col. Autoboot Hack) | dACE | Konami GB Collection Vol. 4 | Other | GB | GP, O | Improvement | 2.0 | 22 Mar 2016 |
| Konami Wai Wai World Centered Camera | KingMike's Translations | Konami Wai Wai World | Action > Platformer | NES | GP | Improvement | 1.0 | 30 Jun 2010 |
| Konami's Soccer Improvements | FRS | Konami's Soccer | Sports | MSX | O | Improvement | 1.0 | 30 Jan 2011 |
| Sylvia Saves Thomas | Megafield64 | Kung Fu | Action > Beat 'Em Up | NES | G, T | Improvement | 1.0 | 14 Jan 2014 |
| Kung Fu Atarisized | Megafield64 | Kung Fu | Action > Beat 'Em Up | NES | G | Improvement | 1.0 | 02 Oct 2014 |
| Meirin X | DASTARD | Kung Fu | Action > Beat 'Em Up | NES | G, T | Improvement | 1.0 | 01 Jan 2009 |
| Ranma 1/2 | Crying Onion | Kung Fu | Action > Beat 'Em Up | NES | G, T | Improvement | 1.0 | 27 Dec 2018 |
| Kung Fu Heroes CNROM to MMC3 Hack | infidelity | Kung-Fu Heroes | Action > Beat 'Em Up | NES | O | Improvement | 1.0 | 03 Dec 2013 |
| Kung-Fu Heroes - Ninja Boy Edition | K.K. Drunkinski | Kung-Fu Heroes | Action > Beat 'Em Up | NES | G | Improvement | 1.0 | 28 Jul 2020 |
| Nekketsu Sports Tournaments | BZK | Kunio 8-in-1 | Sports | NES | G, S, L, T, GP, O | Improvement | 002 | 13 Sep 2016 |
