Xbox - K
- Kabuki Warriors
- Kakuto Chojin
- Kameo - Elements of Power
- Kao the Kangaroo - Round 2
- Kao the Kangaroo Round 2
- Karaoke Revolution
- Karaoke Revolution Party
- Kelly Slater's Pro Surfer
- Kelly Slaters Pro Surfer
- Kill Switch
- kill.switch
- King Arthur
- King Arthur (2005)
- King Kong
- King of Fighters - Maximum Impact - Maniax
- King of Fighters - NeoWave
- King of Fighters '94 Re-Bout
- King of Fighters 02/03
- King of Fighters 2002
- King of Fighters 2002/2003
- King of Fighters Neowave
- Kingdom Under Fire
- Kingdom Under Fire - Heroes
- Kingdom Under Fire - the Crusaders
- Knight's Apprentice - Memorick's Adventures
- Knights of the Temple
- Knights of the Temple - Infernal Crusade
- Knights of the Temple 2
- Knockout Kings 2002
- Kung Fu Chaos