Region | Title | System | Version | Edition | Languages | Serial | Status |
| Kagami no Kuni no Legend 鏡の国のレジェンド | PCE | | Original | | JCCD9001 | |
| Kids Station: Gomdori Pooh Hakseup Series: Gomdori Pooh Sinnaneun Yuagyosil Kids Station: 곰돌이 푸 학습 시리즈: 곰돌이 푸 신나는 유아교실 | PSX | | Original | | SLPM 88511 | |
| KulaQuest クーラクエスト | PSX | | Taikenban | | PCPX 96121 | |
| Killzone 2 | PS3 | 01.01 | Original, Essentials, Platinum: The Best of PlayStation 3, Limited Edition Collector's Box, Killzone Trilogy | | BCES-00081 … | |
| Killzone | PS2 | 1.00 | Demo | | SCUS 97432 | |
| Kingdom Hearts | PS2 | 1.00 | Original, Platinum, Platinum: The Best of PlayStation 2 | | SCES-50967 … | |
| Kingdom Hearts II | PS2 | 1.00 | Original, Platinum | | SLES-54114 … | |
| Koden Koureijutsu: Hyaku Monogatari: Honto ni Atta Kowai Hanashi (Disc 1) (Joukan) 古伝降霊術 百物語 ~ほんとにあった怖い話~ | SS | 1.000 | Original, Satakore | | T-14312G, T-14324G | |
| Koden Koureijutsu: Hyaku Monogatari: Honto ni Atta Kowai Hanashi (Disc 2) (Gekan) 古伝降霊術 百物語 ~ほんとにあった怖い話~ | SS | 1.000 | Original, Satakore | | T-14312G, T-14324G | |
| Kumitate Battle Kuttu Ketto 組み立てバトルくっつけっと | SS | 1.001 | Original | | T-1813G | |
| Kuon | PS2 | 1.02 | Original | | SLUS 21007 | |
| Kenka Banchou 喧嘩番長 | PS2 | 1.03 | Original | | SLPM 66035 | |
| KOF: Maximum Impact | PS2 | 1.03 | Original, Collector's Edition | | SLUS 20923 | |
| Kaizou Choujin Shubibinman 3: Ikai no Princess 改造町人シュビビンマン3 ~異界のプリンセス~ | PCE | Rev 2 | NCS CD Vol. 7 | | NSCD 2010 | |