| Kachiu Mayoso Keiba Kizoku Ex '94 |
| Kachiu Mayoso Keiba Kizoku Ex '95 |
| Kachiuma Yosou - Keiba Kizoku |
| Kachiuma Yosou - Keiba Kizoku EX '94 |
| Kachiuma Yosou - Keiba Kizoku EX '95 |
| Kaeru no Tame ni Kane ha Naru |
| Kaeruno Tameni |
| Kaguyahime |
| Kaijuu-Ou Godzilla |
| Kaisen Game Navy Blue |
| Kamen Rider SD - Hashire! Mighty Riders |
| Kandume Monsters |
| Kanjiro |
| Kanyoku Kotowaza 210 |
| Karakuri Kengou-den Musashi Road |
| Karamucho no Dai-Jiken |
| Karamucho Ziken |
| Kaseki Reborn |
| Kaseki Sousei Reborn |
| Kattobi Road |
| Kawa no Nushi Tsuri 3 |
| Keiba Kizoku |
| Keitai Keiba 8 Special |
| Keitai Keiba Eight Special |
| Ken Griffey Jr. Presents Major League Baseball |
| Ken-yuu Densetsu Yaiba |
| Kesamaru |
| Kichi Da Quiz Da Gensan Da! |
| Kid Dracula |
| Kid Icarus - Of Myths and Monsters |
| Kid Niki |
| Kidou Keisatsu Patlabor - Nerawareta Machi 1990 |
| Kikou Keisatsu Metal Jack |
| Killer Instinct |
| Killer Tomatoes |
| King James Bible |
| King of Fighters '95, The |
| King of Fighters 98, The |
| King of Fighters, The - Heat of Battle |
| Kingdom Crusade |
| Kingyo Chuuihou! - Wapiko no Wakuwaku Stamp Ralley! |
| Kingyo Chuuihou! 2 - Gyopi-chan wo Sagase! |
| Kininkoumaroku - Oni |
| Kinnikuman - The Dream Match |
| Kinnikuman DM |
| Kirby no Kira Kira Kids |
| Kirby no Pinball |
| Kirby's Block Ball |
| Kirby's Dream Land |
| Kirby's Dream Land 2 |
| Kirby's Pinball Land |
| Kirby's Star Stacker |
| Kirihara Shoten - Hinsyutsu Eibunpou Gohou Mondai 1000 |
| Kitarou |
| Kitchin Panic |
| Kiteretsu Daihyakka - Bouken Ooedo Jura-ki |
| Kizuchi da Quiz da Gen-san da! |
| Klax |
| Knight Quest |
| Koi wa Kakehiki |
| Kojima Takeo & Nada Asatarou no Jissen Mahjong Kyoushitsu |
| Konami Collection 3 |
| Konami GB Collection 1 |
| Konami GB Collection 2 |
| Konami GB Collection 3 |
| Konami GB Collection 4 |
| Konami GB Collection Vol.1 |
| Konami GB Collection Vol.2 |
| Konami GB Collection Vol.3 |
| Konamic Basket |
| Konamic Golf |
| Konamikku Ace Hockey |
| Konchuu Hakase |
| Koro Dice |
| Korodice |
| Koukiatsu Boy |
| Koukou Nyuushi - Deru Jun Chuugaku Eijukugo 350 |
| Koukou Nyuushi - Deru Jun Chuugaku Eitango 1700 |
| Koukou Nyuushi - Deru Jun Kanji Mondai no Seifuku 350 |
| Koukou Nyuushi - Deru Jun Rika Anki Point 250 |
| Koukou Nyuushi Deru Jun - Kanji Mondai no Seifuku |
| Koukou Nyuushi Rika - Anki Point 250 |
| Kuma no Putarou - Takara Sagashi da Ooiri Game Battle! |
| Kumano Putaru |
| Kung-Fu Master |
| Kuusou Kagaku Sekai Gulliver Boy - Kuusou Kagaku Puzzle Purittopon!! |
| Kwirk |
| Kyoro-chan Land |
