| Kabuki - Quantum Fighter |
| Kabushiki Doujou |
| Kaettekita MARIO BROS. |
| Kaettekita! Gunjin Shougi - Nanya Sore! |
| Kage |
| Kage no Densetsu |
| Kagerou Densetsu |
| Kaguya Hime Densetsu |
| Kaijuu Monogatari |
| Kaiketsu Yanchamaru |
| Kaiketsu Yanchamaru 2 - Karakuri Land |
| Kaiketsu Yanchamaru 3 - Taiketsu! Zouringen |
| Kakefu-kun no Jump Tengoku - Speed Jigoku |
| Kame no Ongaeshi - Urashima Densetsu |
| Kamen no Ninja - Akakage |
| Kamen no Ninja - Hanamaru |
| Kamen Rider Club - Gekitotsu Shocker Land |
| Kamen Rider Club Masked |
| Kamen Rider SD - Granshocker no Yabou |
| Kanshakudama Nage Kantarou no Toukaidou Gojuusan Tsugi |
| Karakuri Kengou Den - Musashi Road - Karakuri Nin Hashiru! |
| Karaoke Studio |
| Karate Champ |
| Karate Kid, The |
| Karateka |
| Karnov |
| Kart Fighter |
| Kawa no Nushi Tsuri |
| Keiba Simulation - Honmei |
| Kekkyoku Nankyoku Dai Bouken |
| Kero Kero Keroppi no Daibouken |
| Kero Kero Keroppi no Daibouken 2 - Donuts Ike ha Oosawagi! |
| Kerokeroppi |
| Keroppi to Keroriinu no Splash Bomb! |
| Kibord 003 |
| Kick Master |
| Kick Off |
| Kickle Cubicle |
| Kid Icarus |
| Kid Klown |
| Kid Kool and the Quest for the 7 Wonder Herbs |
| Kid Niki - Radical Ninja |
| King Baseball |
| King Kong 2 |
| King Kong 2 - Ikari no Megaton Punch |
| King Neptune's Adventure |
| King of Dragons |
| King of Fighters '97, The |
| King of Fighters '98, The |
| King of Fighters '99, The |
| King of Fighters 96, The |
| King of Ghosts |
| King of Kings |
| King of Kings - Early Years, The |
| King Rail |
| King's Quest V |
| King's Knight |
| Kings of the Beach |
| Kinnikuman - Muscle Tag Match |
| Kirby's Adventure |
| Kirdy Sun in Fantasia |
| Kiteretsu Dai Hyakka |
| Kiwi Kraze - A Bird-Brained Adventure! |
| Klash Ball |
| Klax |
| Knight Rider |
| Knuckle kid |
| Koko Adventure/Ko Ko Eo Deu Ben Ce |
| Koko no Daibouken |
| Konami Hyper Soccer |
| Konami Wai Wai World |
| Konami World |
| Konami World 2 |
| Konami World 3 |
| Konamic Sports in Seoul |
| Korean Igo |
| Kou Dai Bao Shi - Yin |
| Kouryuu Densetsu Villgust Gaiden |
| Koushien |
| Krazy Kreatures |
| Krion Conquest, The |
| Krusty's Fun House |
| Kujaku Ou |
| Kujaku Ou 2 |
| Kung Fight |
| Kung Fu |
| Kung-Fu Heroes |
| Kunio-kun no Nekketsu Soccer League |
| Kurogane Hiroshi no Yosou Daisuki! - Kachiuma Densetsu |
| Kyatto Ninden Teyandee |
| Kyonshiizu 2 |
| Kyoro Chan Land |
| Kyouryuu Sentai Juuranger |
| Kyuukyoku Harikiri Koushien |
| Kyuukyoku Harikiri Stadium |
| Kyuukyoku Harikiri Stadium - Heisei Gannen Han |
| Kyuukyoku Harikiri Stadium 3 |
| Kyuukyoku Tiger |
