| Keisan Game: Sansuu 5+6 Toshi | Pikachumanson | Other | NES | Fully Playable | 1.0 | 15 Jun 2013 | EN |
| Keisan Game: Sansuu 4 Toshi | Pikachumanson | Other | NES | Fully Playable | 1.0 | 26 May 2013 | EN |
| Keisan Game: Sansuu 3 Toshi | Pikachumanson | Other | NES | Fully Playable | 1.0 | 10 Jun 2013 | EN |
| Keisan Game: Sansuu 2 Toshi | Pikachumanson | Other | NES | Fully Playable | 1.0 | 01 Jun 2013 | EN |
| Keisan Game: Sansuu 1 Toshi | Pikachumanson | Other | NES | Fully Playable | 1.0 | 28 May 2013 | EN |
| Kaze no Klonoa: Moonlight Museum | Raccoon Sam | Action > Platformer | WS | Fully Playable | 1.1 | 07 Apr 2022 | EN |
| Kaze no Klonoa: Moonlight Museum | PowerStone05 | Action > Platformer | WS | Unfinished | 0.511 | 04 Jul 2018 | EN |
| Kawa no Nushi Tsuri | Pikachumanson | Role Playing | NES | Fully Playable | 0.91 | 17 Dec 2013 | EN |
| Kawa no Nushi Tsuri | Disconnected Translations | Role Playing | NES | Unfinished | 0.15 | 28 Jun 1999 | EN |
| Kart Fighter | DvD Translations | Action > Fighting | NES | Fully Playable | 1.0 | 02 Apr 2004 | EN |
| Karous | Rolly | Action > Shooter | DC | Fully Playable | 1.0 | 08 Jun 2019 | EN |
| Karnov | Vice Translations | Action > Platformer | NES | Fully Playable | 1.10 | 12 May 2006 | EN |
| Karakuri Kengou Den Musashi Lord: Karakuri Jin Hashiru! | Stardust Crusaders | Role Playing > Action RPG | NES | Fully Playable | 1.0 | 16 Nov 2013 | EN |
| Karakuri Kengou Den Musashi Lord | Stardust Crusaders | Action | GB | Fully Playable | 1.0 | 16 Nov 2013 | EN |
| Kao: Tajemnica Wulkanu | freezingicekirby | Action > Platformer | PC | Fully Playable | 1.0 | 15 Dec 2006 | EN |
| Kanshakudama Nage Kantarou no Toukaido Gojuusan Tsugi | KingMike's Translations | Action > Platformer | NES | Fully Playable | 1.0 | 03 Jul 2005 | EN |
| Kanon | Haeleth | Visual Novel | PC | Fully Playable | Final | 21 Jul 2009 | EN |
| Kamen Rider Black: Taiketsu Shadow Moon | BlackPaladin | Action > Platformer | FDS | Fully Playable | 1.0 | 03 Nov 2022 | EN |
| Kamen no Ninja: Akakage | Zynk Oxhyde | Action > Platformer | NES | Fully Playable | 1.0 | 26 Feb 2016 | EN |
| Kalin no Tsurugi | KingMike's Translations | Role Playing > Action RPG | FDS | Fully Playable | 1.0 | 14 Apr 2005 | EN |
