Title  | Released By | Genre | Platform | Status | Ver | Date | Lang |
|---|---|---|---|---|---|---|---|
| Kishin Douji Zenki | LIPEMCO! Translations | Action > Platformer | GG | Fully Playable | 1.0 | 19 Aug 2018 | EN |
| Kishin Douji Zenki: Battle Raiden | Dynamic-Designs | Action > Platformer | SNES | Fully Playable | 1.00 | 28 Jan 2016 | EN |
| Kiteretsu Daihyakka | Zynk Oxhyde | Action > Platformer | NES | Fully Playable | 1.0 | 15 Feb 2016 | EN |
| Knight Lore: Majou no Ookami Otoko | Psyklax | Action Adventure | FDS | Fully Playable | 1.0 | 10 Dec 2017 | EN |
| Knight Move | PentarouZero | Puzzle | FDS | Fully Playable | 1.0 | 28 Jun 2003 | EN |
| Knight Rider Special | Psyklax | Racing | TG16 | Fully Playable | 2.0 | 30 May 2017 | EN |
| Konami Wai Wai World | Demiforce | Action > Platformer | NES | Fully Playable | 3.00 | 03 Jan 1998 | EN |
| Konami Wai Wai World | Dylan Robley | Action > Platformer | NES | Unfinished | 1.0 | 28 Aug 2001 | EN |
| Konami Wai Wai World | Zynk Oxhyde | Action > Platformer | NES | Fully Playable | 2.2 | 08 Apr 2019 | EN |
| Kou Dai Guai Shou: Zuan Shi Ban | SaveState | Role Playing | NES | Unfinished | Jubilife 0.2 | 02 Apr 2019 | EN |
| Kouryuu Densetsu Villgust: Kieta Shoujo | Dynamic-Designs | Role Playing | SNES | Fully Playable | 1.01 | 28 May 2015 | EN |
| Kouryuu no Mimi | RPGONE | Action > Beat 'Em Up | SNES | Fully Playable | 2.0 | 31 Jul 2018 | EN |
| Kujaku Ou | snark | Adventure | NES | Fully Playable | 1.1 | 18 Apr 2009 | EN |
| Kujaku Ou II | snark | Adventure | NES | Fully Playable | 1.0 | 13 Apr 2009 | EN |
| Kunio Kun no Nekketsu Soccer League | Ice Translations | Sports | NES | Unfinished | 0.25 | 03 Nov 2000 | EN |
| Kunio Kun no Nekketsu Soccer League | PentarouZero | Sports | NES | Fully Playable | 1.2 | 23 Oct 2003 | EN |
| Kunio Kun no Nekketsu Soccer League | Lipetsk | Sports | NES | Addendum | 1.0 | 22 Nov 2014 | EN |
| Kunio Kun no Nekketsu Soccer League | El Duderino | Sports | NES | Addendum | 1.0 | 28 Jun 2020 | EN |
| Kunio-kun no Dodge Ball: Zenin Shuugou! | Evolutions | Sports | SNES | Unfinished | 1.0 | 02 Feb 2001 | EN |
| Kunio-kun no Dodge Ball: Zenin Shuugou! | B. Stigall | Sports | SNES | Unfinished | 1.3 | 30 May 2004 | EN |
