PSP - PlayStation Portable - K
- Kaitou Apricot Portable
- Kamen Rider Climax Heroes Fourze
- Kamen Rider Climax Heroes OOO
- Kangaeru Exit
- Kanon
- Kao Challengers
- Karakuri
- Katekyoo Hitman Reborn! Battle Arena
- Katekyoo Hitman Reborn! Battle Arena 2 - Spirits Burst
- KAZooK
- Ken To Mahou To Gakuen Mono
- Kenka Bancho - Badass Rumble
- Kenka Banchou 3 - Zenkoku Seiha
- Kentoushi - Gladiator Begins
- Key of Heaven
- Kidou Senshi Gundam - Giren no Yabou - Axis no Kyoui
- Kidou Senshi Gundam - Gundam vs. Gundam
- Kidou Senshi Gundam - Gundam vs. Gundam NEXT PLUS
- Kidou Senshi Gundam AGE - Cosmic Drive
- Killzone - Liberation
- King Kong
- King of Clubs
- King of Fighters Collection - the Orochi Saga
- Kingdom - Ikki Tousen no Tsurugi
- Kingdom Hearts - Birth By Sleep
- Kingdom of Paradise
- Kings Field - Additional 1
- Kinnikuman - Muscle Generations
- Knights in the Nightmare
- Koloomn
- Könige der Wellen
- Kotoba no Puzzle Mojipittan Daijiten
- Koukyou Shihen Eureka Seven
- Kurogane no Linebarrels
- Kurohyou - Ryu ga Gotoku Shinshou