| Name |
System |
Subsystem |
Players |
Genre |
Release Date |
| Kabutore FX | Nintendo DS | | | Rhythm | Mar 26, 2009 |
| Kamen Rider Dragon Knight | Nintendo DS | | | Action | Q4 2009 |
| Kanji Sonomama DS Rakubiki Jiten | Nintendo DS | | 1 | | Apr 13, 2006 |
| Kart Krashers | Nintendo DS | DSiWare | 1 | Racing | Sep 27, 2012 |
| Katamari Damacy | Nintendo DS | | | Action | Cancelled |
| Keitai Sousakan 7 DS: Buddy Sequence | Nintendo DS | | | Action | Mar 26, 2009 |
| Kids Learn Animals Bundle | Nintendo DS | | | | Feb 26, 2013 |
| Kids Learn Math and Spelling Bundle | Nintendo DS | | | | Feb 26, 2013 |
| Kids Learn Pets and Horse Bundle | Nintendo DS | | | | Mar 26, 2013 |
| Kimi no Yusha | Nintendo DS | | | RPG | TBA |
| Kimo Kawa E | Nintendo DS | | | Party/Parlor | Mar 5, 2009 |
| Kim Possible: Global Gemini | Nintendo DS | | 1 - 2 | Action | Feb 13, 2007 |
| Kim Possible: Kimmunicator | Nintendo DS | | 1 | Action | Nov 2005 |
| Kingdom Hearts 358/2 Days | Nintendo DS | | | RPG | Sep 29, 2009 |
| Kingdom Hearts Re:Coded | Nintendo DS | | 1 | RPG | Jan 11, 2011 |
| King Kong (DS) | Nintendo DS | | 1 | Action | Nov 2005 |
| King of Clubs | Nintendo DS | | | Party/Parlor | Apr 18, 2008 |
| King of Fighters DS | Nintendo DS | | | Fighting | TBA |
| Kira Kira Pop Princess | Nintendo DS | | | | Oct 26, 2006 |
| Kirarin * Revolution: Kira Kira Idol Audition | Nintendo DS | | 1 | Simulation | Aug 10, 2006 |
| Kirarin * Revolution: Mezase! Idol Queen | Nintendo DS | | 1 | Simulation | Jul 12, 2007 |
| Kirarin * Revolution: Naasan to Issho | Nintendo DS | | 1 | Simulation | Dec 7, 2006 |
| Kirby: Canvas Curse | DS / WiiU | | 1 | Action | Jun 13, 2005 |
| Kirby: Mass Attack | DS / WiiU | | 1 | Action | Sep 19, 2011 |
| Kirby Squeak Squad | DS / WiiU | | 1 - 4 | Action | Dec 6, 2006 |
| Kirby Super Star Ultra | Nintendo DS | | 1 - 4 | Action | Sep 22, 2008 |
| Knights in the Nightmare | Nintendo DS | | 1 | RPG | Jun 2, 2009 |
| Konami Classic Series: Arcade Hits | Nintendo DS | | 1 - 2 | Action | Mar 27, 2007 |
| Konductra | Nintendo DS | | 1 - 2 | Puzzle | Oct 31, 2006 |
| Korg DS-10 | Nintendo DS | | | Simulation | Nov 4, 2008 |
| Korg DS-10 Plus | Nintendo DS | | | Simulation | Sep 17, 2009 |
| Kotoba no Puzzle: Mojipittan DS | Nintendo DS | | 1 | Puzzle | Mar 15, 2007 |
| Kung Fu Dragon | Nintendo DS | DSiWare | 1 | Action | Jul 21, 2011 |
| Kung Fu Panda | Nintendo DS | | 1 | Action | Jun 3, 2008 |
| Kung Fu Panda 2 | Nintendo DS | | 1 | Action | May 26, 2011 |
| Kung Fu Panda: Legendary Warriors | Nintendo DS | | 1 - 2 | Action | Nov 4, 2008 |
| Kurikin: Nano Island Story | Nintendo DS | | | | May 24, 2007 |
| Kuroshitsuji: Phantom & Ghost | Nintendo DS | | | | Q2 2009 |
| Kyotaro Nishimura Suspense | Nintendo DS | | | Adventure | Q3 2007 |
| Kyoukara Hajimeru DS Yoga Lesson | Nintendo DS | | 1 | Simulation | Q3 2007 |
