| Kirby's Dream Collection | Wii | 2012 | HAL Laboratory |
| Kirby's Dream Course | Super Nintendo Entertainment System, Wii | 1994 | HAL Laboratory |
| Kirby's Dream Land | Game Boy | 1992 | HAL Laboratory |
| Kirby's Dream Land 2 | Game Boy, Nintendo 3DS | 1995 | HAL Laboratory |
| Kirby's Dream Land 3 | Super Nintendo Entertainment System | 1997 | HAL Laboratory |
| Kirby's Epic Yarn | Wii | 2010 | Good-Feel |
| Kirby's Extra Epic Yarn | Nintendo 3DS | 2019 | — |
| Kirby's Pinball Land | Game Boy | 1993 | HAL Laboratory |
| Kirby's Return to Dream Land | Wii | 2011 | HAL Laboratory |
| Kirby's Star Stacker | Super Nintendo Entertainment System, Game Boy | 1997 | HAL Laboratory |
| Kirby: Planet Robobot | Nintendo 3DS | 2016 | HAL Laboratory |
| Kirby: Triple Deluxe | Nintendo 3DS | 2014 | HAL Laboratory |
| Kishin Dōji Zenki FX: Vajra Fight | Super Nintendo Entertainment System | 1995 | Hudson Soft |
| Kishin Dōji Zenki: Battle Raiden | Super Nintendo Entertainment System | 1995 | — |
| Kishin Dōji Zenki: Den'ei Live | Super Nintendo Entertainment System | 1995 | — |
| Kishin Dōji Zenki: Tenchi Meidō | Super Nintendo Entertainment System | 1995 | — |
| Kiteretsu Daihyakka | Nintendo Entertainment System | 1990 | Epoch Co. |
| Kiteretsu Daihyakka: Chōjikū Sugoroku | Super Nintendo Entertainment System | 1995 | Fill-in-Cafe |
| Kizuna | Wii | 2008 | TownFactory |
| KlashBall | Nintendo Entertainment System | 1991 | SOFEL |
| Klax | Nintendo Entertainment System | 1989 | Atari Games |
| Klonoa | Wii | 2008 | Paon DP |
| Knight Lore | Nintendo Entertainment System | 1984 | Aackosoft, Stamper brothers, Rare Ltd. |
| Knight Rider | Nintendo Entertainment System | 1988 | Pack-In-Video |
| Knights of the Round | Super Nintendo Entertainment System | 1991 | Capcom |
| Knights of the Temple: Infernal Crusade | Nintendo GameCube | 2004 | Starbreeze Studios |
| Knockout Kings 2003 | Nintendo GameCube | 2002 | — |
| Knuckle Heads | Wii | 1993 | Namco |
| Koh-Lanta | Wii | 2008 | Smack Down Productions |
| Kokuga | Nintendo 3DS | 2012 | G.rev |
| Konami Hyper Soccer | Nintendo Entertainment System | 1992 | Konami |
| Konami Wai Wai World | Nintendo Entertainment System | 1988 | Konami |
| Konami's Ping Pong | Wii | 1985 | Konami |
| Konjiki no Gash Bell!! Go! Go! Mamono Fight!! | Nintendo GameCube | 2005 | Eighting |
| Konjiki no Gash Bell!! Yūjō no Tag Battle Full Power | Nintendo GameCube | 2004 | Eighting |
| Konpeki no Kantai | Super Nintendo Entertainment System | 1995 | — |
| Korokke! Ban-Ō no Kiki o Sukue | Nintendo GameCube | 2004 | Konami |
| Kororinpa | Wii | 2006 | Hudson Soft |
| Kosmokrats | Nintendo 3DS | 2020 | — |
| Kotoba no Puzzle: Mojipittan | Wii | 2003 | Namco |
| Kouryaku Casino Bar | Super Nintendo Entertainment System | 1995 | — |
| Koutetsu no Kishi | Super Nintendo Entertainment System | 1991 | — |
| Koutetsu no Kishi 2: Sabaku no Rommel Shougun | Super Nintendo Entertainment System | 1994 | — |
| Koutetsu no Kishi 3: Gekitotsu Europe Sensen | Super Nintendo Entertainment System | 1995 | — |
| Krazy Kreatures | Nintendo Entertainment System | 1990 | Bitmasters |
| Krusty's Fun House | Nintendo Entertainment System, Super Nintendo Entertainment System | 1992 | Audiogenic |
| Krusty's Super Fun House | Super Nintendo Entertainment System | 1992 | — |
| Kujaku Ō | Nintendo Entertainment System | 1988 | Graphic Research Co., Ltd. |
| Kung Fu Fight | PlayStation Vita, Nintendo 3DS | 2011 | Nostatic Software |
| Kung Fu Heroes | Nintendo Entertainment System | 1986 | Culture Brain |
| Kung Fu Panda | Wii | 2008 | Luxoflux |
| Kung Fu Panda 2 | Wii | 2011 | Griptonite Games |
| Kung Fu Panda: Legendary Warriors | Wii | 2008 | Behaviour Interactive |
| Kung Fu Rabbit | PlayStation Vita, Nintendo 3DS | 2012 | — |
| Kung-Fu Master | Nintendo Entertainment System, Game Boy | 1984 | Irem |
| Kung-Fu Master | Game Boy | 1990 | — |
| Kunio no Oden | Super Nintendo Entertainment System | 1994 | — |
| Kunio-kun no Dodge Ball da yo: Zenin Shūgo | Super Nintendo Entertainment System | 1993 | — |
| Kunio-kun no Nekketsu Soccer League | Nintendo Entertainment System | 1993 | Technōs Japan |
| Kuroko no Basuke: Shouri e no Kiseki | Nintendo 3DS | 2014 | — |