Nintendo Wii - K
- Kamen Rider - Chou Climax Heroes
- Kamen Rider - Climax Heroes W
- Kamen Rider - Dragon Knight
- Kamen Rider Dragon Knight
- Kappa-kun to Asobou - Kappa-kun to Ota no Shimikai
- Karaoke Joysound Wii
- Karaoke Revolution
- Karaoke Revolution Glee - Volume 2
- Karaoke Revolution Glee - Volume 3
- Karaoke Revolution Presents - American Idol Encore
- Karaoke Revolution Presents - American Idol Encore 2
- Karate Phants - Gloves of Glory
- Katamuki Spirits
- Kawa No Nushi Tsuri
- Kawasaki 4X4 Quad Bikes
- Kawasaki Jet Ski
- Kawasaki Snowmobiles
- Kid Chameleon
- Kid Icarus
- Kidz Sports - American Football
- Kidz Sports - Crazy Golf
- Kidz Sports Basketball
- Kidz Sports Ice Hockey
- Kidz Sports International Soccer
- Kiken Kuuiki
- Kiki Kai Kai
- King of Clubs
- King of Fighters '94
- King of Fighters Collection - the Orochi Saga
- King of Pool
- King of the Monsters
- Kirby Super Star
- Kirby und das magische Garn
- Kirby's Adventure
- Kirby's Adventure Wii
- Kirby's Dream Course
- Kirby's Epic Yarn
- Kirby's Ghost Trap
- Kirby's Return to Dream Land
- Kirby's Return To Dreamland
- Kitty LUV
- Klonoa
- Knockout Party
- Knuckleheads
- Könige der Wellen
- Kororinpa
- Kororinpa Marble Mania
- Kung Fu Funk - Everybody Is Kung Fu Fighting!
- Kung Fu Panda
- Kung Fu Panda Legendary Warriors
- Kung-Fu Panda
- Kung-Fu Panda 2
- Kurohige Kiki Ippatsu
- Küss den Frosch
- Kyotokei
- Kyoufu Taikan - Juon