| Kablooey |
| Kabuki Chou Reach Mahjong -Toufuu Sen |
| Kabuki Rocks |
| Kachiuma Yosou Soft: Baken Renkinjutsu |
| Kachou Shima Kousaku |
| Kaizou Choujin Shubibinman Zero |
| Kakinoki Shougi |
| Kamaitachi no Yoru |
| Kamen Rider |
| Kamen Rider SD - Shutsugeki!! Rider Machine |
| Karura Ou |
| Kashiwagi Shigetaka no Top Water Bassing |
| Kat's Run - Zennihon K Car Senshuken |
| Katou Hifumi Kudan Shougi Club |
| Kawa no Nushi Tsuri 2 |
| Kawasaki Caribbean Challenge |
| Kawasaki Superbike Challenge |
| Keeper |
| Keiba Eight Special |
| Keiba Eight Special -Maruhi Baken Kounyuujutsu |
| Keiba Eight Special 2 |
| Ken Griffey Jr. Presents Major League Baseball |
| Ken Griffey Jr.'s Winning Run |
| Kendo Rage |
| Kentouou World Champion |
| Kenyuu Densetsu Yaiba |
| Kero Kero Keroppi no Bouken Nikki - Nemureru Mori no Keroriinu |
| Kessen! Dokapon Okukoku IV - Densetsu no Yuusha Tachi |
| Kevin Keegan's Player Manager |
| Kick Off |
| Kick Off 3 - European Challenge |
| Kid Klown in Crazy Chase |
| Kid Klown no Crazy Chase |
| Kidou Butouden G-Gundam |
| Kidou Senshi Gundam - Cross Dimension 0079 |
| Kidou Senshi Gundam F91 - Formula Senki 0122 |
| Kidou Senshi V Gundam |
| Kidou Senshi Z Gundam - Away to the NewType |
| Kidou Soukou Dion |
| Kidoukeisatsu Patlabor |
| Kiki KaiKai - Tsukiyo Soushi |
| KiKi KaiKai: Nazo no Kuro Manto |
| Kikou Keisatsu Metal Jack |
| Kikuni Masahiko no Jantoushi Dora Ou |
| Kikuni Masahiko no Jantoushi Dora Ou 2 Kigyou Senshi |
| Killer Instinct |
| Kindai Mahjong Special |
| King Arthur & The Knights of Justice |
| King Arthur's World |
| King of Dragons, The |
| King of Rally, The |
| King of Rally, The: Paris-Moscow-Beijing |
| King of the Monsters |
| King of the Monsters 2 |
| Kingyo Chuuihou! Tobidase Game Gakuen |
| Kinnikuman - Dirty Challenger |
| Kirby no Kirakira Kids |
| Kirby no Omochabako |
| Kirby Super Star |
| Kirby's Avalanche |
| Kirby's Bowl |
| Kirby's Dream Course |
| Kirby's Dream Land 3 |
| Kirby's Fun Pak |
| Kirby's Ghost Trap |
| Kishin Douji Zenki - Batoru Raiden |
| Kishin Douji Zenki - Denei Raibu |
| Kishin Douji Zenki - Tenchi Meidou |
| Kishin Kourinden Oni |
| Kiteretsu Daihyakka - Choujikuu Sugoroku |
| Knights of the Round |
| Kobo Kenshou Magazine |
| Kodomo Chousadan Mighty Pockets |
| Koi ha Balance - Battle of Lovers |
| Konpeki no Kantai |
| Kouryaku Casino Bar |
| Kouryuu Densetsu Villgust: Kieta Shoujo |
| Kouryuu no Mimi |
| Kouryuuki |
| Koushien 2 |
| Koushien 3 |
| Koushien 4 |
| Kousoku Shikou - Shougi Ou |
| Koutetsu no Kishi |
| Koutetsu no Kishi 2 - Sabaku no Rommel Gundan |
| Koutetsu no Kishi 3 - Gekitotsu Europe Sensen |
| Krusty World |
| Krusty's Super Fun House |
| Kunio no Oden |
| Kunio-kun no Dodge Ball - Zenin Shuugou! |
| Kunio-kun no Dodge Ball - Zenin Shuugou! Tournament Special |
| Kuusou Kagaku Sekai Gulliver Boy |
| Kyle Petty's No Fear Racing |
| Kyouraku Sanyou Maruhon Parlor! Parlor! |
| Kyouraku Sanyou Maruhon Parlor! Parlor! 5 |
| Kyouraku Sanyou Toyomaru Daiichi Maruhon Parlor! Parlor! 2 |
| Kyouraku Sanyou Toyomaru Okumura Daiichi Maruhon Parlor! Parlor! IV CR |
| Kyouraku Sanyou Toyomaru Okumura Maruhon Parlor! Parlor! 3 |
| Kyuuyaku Megami Tensei |
