| title | developer | year | game type | | pop. |
|---|
| Kabuki Warriors | Lightweight | 2001 | Xbox | fighting | image | subject | label | |
| Kakuto Chojin | Dream Publishing | 2002 | Xbox | fighting | image | | | |
| Kameo: Elements of Power | Rare | 2002 | Xbox | adventure | | | label | |
| Kana Imoutou | Panther Software | 2002 | Xbox | adventure | | | | |
| Kao the Kangaroo Round 2 | Tate Interactive | 2006 | Xbox | action/reflex | image | | | |
| Karaoke Revolution Party | Harmonix | 2005 | Xbox | rhythm | image | | | |
| Kelly Slater's Pro Surfer | Treyarch | 2002 | Xbox | sport | image | subject | label | |
| Kid Ninja: Spirit of the Dragon | Asylum Entertainment | 2005 | Xbox | platformer | | | | |
| Kill Switch | Namco | 2003 | Xbox | shooter | image | subject | label | |
| King Arthur | Krome Studios;Buena Vista Games | 2004 | Xbox | action/reflex Historical | image | subject | label | |
| Kingdom Under Fire: Heroes | Phantagram;Blueside | 2005 | Xbox | action/reflex beat 'em up strategy Fantasy | image | | label | |
| Kingdom Under Fire: The Crusaders | Phantagram | 2004 | Xbox | action/reflex beat 'em up Fantasy | image | | label | |
| KnightBlade - Final Flight | 3000AD | 2005 | Xbox | action/reflex | | | | |
| Knights of the Old Republic | Bioware | 2003 | Xbox | action/reflex role-play Fantasy | image | subject | label | |
| Knights of the Old Republic II: The Sith Lords | Obsidian Entertainment | 2004 | Xbox | action/reflex role-play Fantasy | image | subject | label | |
| Knights of the Temple | Starbreeze Studios | 2004 | Xbox | action/reflex beat 'em up Fantasy | image | | label | |
| Knights of the Temple II | Cauldron | 2005 | Xbox | action/reflex beat 'em up Fantasy | image | | label | |
| Knockout Kings 2002 | EA Sports | 2002 | Xbox | sport | image | subject | label | |
| Konami All-In Poker | Konami | 2004 | Xbox | casino/cards | | | | |
| Kung Fu Chaos | Just Add Monsters | 2003 | Xbox | beat 'em up | image | subject | label | |
| Kung Fu Panic | Just Add Monsters | 2003 | Xbox | fighting | image | | | |
