| Game | Region | Rating | Download |
|---|
| K-1 Grand Prix - Fighting Illusion Shou |  |  | |
| Kaitei Daisensou | | | |
| Kaitou Saint Tail | | | |
| Kakinoki Shougi | | | |
| Kakyuusei (Disc 1) | | | |
| Kakyuusei (Disc 2) (2M) | | | |
| Kakyuusei (Disc 3) (2M) | | | |
| Kamen Rider - Sakusen File 1 | | | |
| Kanazawa Shougi (1M) | | | |
| Kanazawa Shougi (2M) | | | |
| Kanzen Chuukei Pro Yakyuu Greatest Nine (Demo) | | | |
| Kanzen Chuukei Pro Yakyuu Greatest Nine (Rev A) | | | |
| Kanzen Chuukei Pro Yakyuu Greatest Nine (Rev B) | | | |
| Keio Flying Squadron 2 |  | | |
| Keiou Yuugekitai - Katsugeki-hen | | | |
| Keiou Yuugekitai - Okiraku Tamatebako | | | |
| Kekkon - Marriage | | | |
| Kekkon - Marriage - Zen'ya | | | |
| Keriotosse! (Demo) | | | |
| Keriotosse! | | | |
| Kidou Senkan Nadesico - The Blank of 3 Years (Disc 1) | | | |
| Kidou Senkan Nadesico - The Blank of 3 Years (Disc 2) | | | |
| Kidou Senkan Nadesico - Yappari Saigo wa Ai ga Katsu | | | |
| Kidou Senshi Gundam - Gihren no Yabou | | | |
| Kidou Senshi Gundam - Gihren no Yabou - Kouryaku Shireisho | | | |
| Kidou Senshi Z Gundam - Kouhen Uchuu o Kakeru | | | |
| Kidou Senshi Z Gundam - Zenpen Zeta no Kodou | | | |
| Kindaichi Shounen no Jikenbo - Hoshimitou Kanashimi no Fukushuuki | | | |
| King of Boxing, The | | | |
| King of Fighters '95, The | | | |
| King of Fighters '95, The (1M) | | | |
| King of Fighters '95, The (2M) | | | |
| King of Fighters '95, The (3M) | | | |
| King of Fighters '96, The (1M) | | | |
| King of Fighters '96, The (4M, 5M) | | | |
| King of Fighters '97, The | | | |
| Kiss yori... (Rev A) | | | |
| Kiss yori... | | | |
| Kisuishou Densetsu Astal (1M, 4M) | | | |
| Kisuishou Densetsu Astal (3A) | | | |
| Kochira Katsushikaku Kameari Kouenmae - Hashutsujo - Nakagawa Land Dai-Race! no Maki (Satakore) | | | |
| Kochira Katsushikaku Kameari Kouenmae - Hashutsujo - Nakagawa Land Dai-Race! no Maki | | | |
| Koden Koureijutsu - Hyaku Monogatari - Honto ni Atta Kowai Hanashi (Disc 1) (Joukan) | | | |
| Koden Koureijutsu - Hyaku Monogatari - Honto ni Atta Kowai Hanashi (Disc 2) (Gekan) | | | |
| Koi no Summer Fantasy - in Miyazaki Seagaia | | | |
| Konami Antiques - MSX Collection Ultra Pack (2M) | | | |
| Koudou Saisoku Densetsu - Initial D | | | |
| Kouryuu Sangoku Engi | | | |
| Koutetsu Reiiki - Steeldom (2M) | | | |
| Krazy Ivan | | | |
| Krazy Ivan |  | | |
| Krazy Ivan | | | |
| Kumitate Battle Kuttu Ketto | | | |
| Kunoichi Torimonochou | | | |
| Kuro no Danshou - The Literary Fragment (2M) | | | |
| Kuro no Danshou - The Literary Fragment (3M) | | | |
| Kurubushi Kyoudai Gekijou Dai-ikkan - Mahjong-hen (2M) | | | |
| Kururin Pa! | | | |
| Kuusou Kagaku Sekai Gulliver Boy (Disc 1) | | | |
| Kuusou Kagaku Sekai Gulliver Boy (Disc 2) | | | |
| Kyuukyoku Tiger II Plus | | | |
| Kyuutenkai | | | |
