- K-On! Houkago Live!! (Japan) 1391MB
- Kaeru Batake de Tsukamaete Portable (Japan) 1362MB
- Kahashima Ryuuta Kyouju Kanshuu Nou Chikara Trainer Portable 2 (Japan) 30MB
- Kaitou Apricot Portable (Japan) 710MB
- Kamaitachi no Yoru 2 - Tokubetsuhen (Japan) 787MB
- Kameleon (Europe) 45MB
- Kamen Rider Climax Heroes Fourze (Japan) 650MB
- Kamen Rider Super Climax Heroes Japan 658MB
- Kao Challengers 361MB
- Karakuri (Japan) 203MB
- Katekyoo Hitman Reborn! Battle Arena (Japan) 213MB
- Kazoku Keikaku (Japan) 1216MB
- Kazook! (Europe) 147MB
- Ken to Mahou to Gakuen Mono (Japan) 155MB
- Kenichirou Hakase Kanshuu - Nou ni Kaikan - Aha Taiken (Japan) 244MB
- Kenka Bancho - Badass Rumble 39MB
- Kentoushi - Gladiator Begins (Japan) 356MB
- Key of Heaven (Europe) 999MB
- Kidou Keisatsu Patlabor - Kamubakku Minipato (Japan) 59MB
- Kikuite Oboeru Eitango - Alc no Kikutan Entry (Japan) 146MB
- Kimi ga Aruji de Shitsuji ga Ore de - Otsukae Nikki Portable Japan 1214MB
- King of Clubs (Europe) 180MB
- King of Fighters Collection - The Orochi Saga, The 1035MB
- King of Pool Europe (M5) 59MB
- King's Field - Additional II (Japan) 524MB
- Kingdom of Paradise 925MB
- Kiniro no Corda 2 F (Japan) 564MB
- Kinnikuman - Muscle Generations (Japan) 165MB
- Kisaragi Gold-Star - Nonstop Go Go Japan 1427MB
- Knights in The Nightmare 287MB
- Koi wa Rule ni Shibararenai Japan 1503MB
- Koibana Days - Pure Flower Garden Japan 755MB
- Koisuru Otome to Shugo no Tate Portable (Japan) 1098MB
- Kokoro Connect - Yochi Random Japan 1323MB
- Kollon (Japan) 27MB
- Kono Bushitsu wa Kitaku Shinai Bu ga Senkyo Shimashita Portable - Gakuen Dog Ear Hen Japan 915MB
- Koori no Bohyou - Ichiryuuwa, 3-Dome no Junan (Japan) 290MB
- Koro Koro!! Kollon (Japan) 50MB
- Kuon no Kizuna - Sairin Mikotonori Portable (Japan) 659MB
- Kurogane no Linebarrels (Japan) 1028MB
- Kyoukaisenjou no Horizon Portable Japan 749MB
