GameCube - K
- Kao the Kangaroo - Round 2
- Kao the Kangaroo Round 2
- Karaoke Revolution Party
- Kelly Slater's Pro Surfer
- Kelly Slaters Pro Surfer
- Killer 7
- King Arthur
- King Arthur (2005)
- King Kong
- Kinniku Man 2-Yo
- Kirby Air Ride
- Kirby's Air Ride
- Knights of the Temple - Infernal Crusade
- Knockout Kings 2003
- Könige der Wellen
- Konjiki No Gashbell - Go! Go! Mamono Fight
- Konjiki no Gashbell - Yuujou Tag Battle
- Konjiki No Gashbell - Yuujou Tag Battle 2
- Konjiki no Gashbell!! Yuujou no Tag Battle
- Kururin Squash!