| King of Fighters `96 | Vice Translations | Action > Fighting | GB | Unfinished | 0.30 | 04 Jul 2000 | EN |
| King Kong 2: Yomigaeru Densetsu (MSX2) | Imanok | Role Playing > Action RPG | MSX | Fully Playable | 1.0 | 14 Dec 2005 | EN |
| King Kong 2: Ikari no Megaton Punch | DvD Translations | Action | NES | Fully Playable | Rev A | 09 Jun 2008 | EN |
| King Colossus | M.I.J.E.T. | Role Playing | GEN | Fully Playable | 061030 | 30 Oct 2006 | EN |
| Kikou Seiki Unitron | WyndCrosser | Role Playing | NGPC | Unfinished | 0.38 | 10 May 2015 | EN |
| Kikou Keisatsu: Metal Jack | MrRichard999 | Action > Beat 'Em Up | SNES | Fully Playable | 2.0 | 17 May 2018 | EN |
| Kikou Heidan J-Phoenix + | MrRichard999 | Action | XBOX | Unfinished | 0.15 | 17 Jul 2016 | EN |
| Kidou Senshi V Gundam | Twilight Translations | Action | SNES | Fully Playable | 1.00 IPS | 21 Oct 2006 | EN |
| Kidou Senshi Gundam: Cross Dimension 0079 | Aeon Genesis | Strategy | SNES | Fully Playable | 1.00 | 31 Oct 2004 | EN |
| Kidou Senshi Gundam F91: Formula Senki 0122 | Twilight Translations | Strategy | SNES | Fully Playable | 1.00 | 19 Jul 2011 | EN |
| Kidou Keisatsu Patlabor: Dai 2 Shoutai Shutsudou Seyo! | Vice Translations | Action > Platformer | FDS | Fully Playable | 1.0 | 24 Dec 2003 | EN |
| Kidou Butouden G Gundam | Aeon Genesis | Action > Fighting | SNES | Fully Playable | 1.00 | 20 Sep 2002 | EN |
| Kid Klown in Night Mayor World | NikcDC | Action > Platformer | NES | Fully Playable | 1.1 | 07 Apr 2013 | EN |
| Kettou Beast Wars: Beast Senshi Saikyou Ketteisen | Six Feet Under | Action > Fighting | GB | Unfinished | 0.1 | 08 Aug 1999 | EN |
| Ketsui Death Label: Kizuna Jigoku Tachi | z3tzilla | Action > Shooter | NDS | Unfinished | 0.2 | 22 Jul 2013 | EN |
| Keroppi to Keroriinu no Splash Bomb! | Suicidal Translations | Action | NES | Fully Playable | 1.0 | 28 Mar 2000 | EN |
| Kero Kero Keroppi no Daibouken 2: Donuts Ike ha Oosawagi! | The Spoony Bard | Action > Platformer | NES | Fully Playable | 1.0 | 22 Dec 2000 | EN |
| Kero Kero Keroppi no Daibouken | Gaijin Productions | Puzzle | NES | Fully Playable | 1.00 | 18 Jan 1999 | EN |
| Kenka Banchou 2: Full Throttle | TransGen | Action > Beat 'Em Up | PS2 | Unfinished | 1.0alpha | 27 Nov 2015 | EN |
| Keitai Denjuu Telefang: Power Version | andwhyisit | Role Playing > Action RPG | GB | Unfinished | 113 | 15 Oct 2017 | EN |
