| Kunoichi San Shimai ~Ichi no Maki・Inhou San Shimai Kenzan!~ DVDPG | r152936 | 2026-06-05 |
| Kunoichi Shokushu Jigoku Hen | r59185 | 2026-05-24 |
| Kunoichi Shokushu Jigoku Hen: Maki no Ni | r60300 | 2026-05-24 |
| Kunoichi Torimonochou | r22085 | 2026-05-14 |
| Kunoichi Torimonochou | r71795 | 2026-05-14 |
| Kunoichi Trainer HD [v0.27.1] | r106108 | 2026-05-24 |
| Kunoichi Trainer [v0.27.1] | r75954 | 2026-05-10 |
| Kunoichi Trainer [v0.27.1] [Patron version] | r135511 | 2026-04-21 |
| Kunoichiban! - First Press Limited Edition | r20169 | 2026-05-16 |
| Kuo ni Umareshi Hiaika | r68011 | 2026-05-31 |
| Kuon no Kanata | r81798 | 2026-05-24 |
| Kuon no Kizuna -THE ORIGIN- Volume 1 DVDPG | r143540 | 2026-05-22 |
| Kuon no Kizuna -THE ORIGIN- Volume 2 DVDPG | r143539 | 2026-05-22 |
| Kuon no Kizuna Sairinshou -Portable- | r15781 | 2026-05-07 |
| Kupala - Demo | r142427 | 2026-05-22 |
| Kupala - Demo | r143526 | 2026-05-16 |
| Kupala - Demo | r142492 | 2026-04-21 |
| Kupidon | r63593 | 2026-05-08 |
| Kura - DVDPG | r20171 | 2026-05-24 |
| Kura - Download Edition | r72507 | 2026-05-23 |
| Kura Kura High | r102891 | 2026-05-28 |
| Kura no Naka wa Kiken ga Ippai!? | r8256 | 2026-06-01 |
| Kurage Life | r122906 | 2026-05-18 |
| Kurage no Uroko | r149653 | 2026-06-10 |
| Kurai Nichiyoubi - Sombre Dimanche | r35937 | 2026-04-21 |
| Kurai Nichiyoubi - Sombre Dimanche - Download Edition | r11372 | 2026-05-22 |
| Kurai Nichiyoubi -fragments- | r88964 | 2026-06-02 |
| Kuraibito - Download Edition | r41048 | 2026-05-09 |
| Kuraki Tatari no Mori de - Download Edition | r33584 | 2026-05-21 |
| Kuraku Naru made Machiyagare! | r29373 | 2026-05-29 |
| Kuraku Nattara Kyoushitsu de | r68168 | 2026-05-29 |
| Kuraku Nattara Kyoushitsu de - Package Edition | r88510 | 2026-05-29 |
| Kurano-kunchi no Futago Jijou | r116263 | 2026-05-24 |
| Kurano-kunchi no Futago Jijou - First Press Limited Edition | r21931 | 2026-05-20 |
| Kurau Neko | r94884 | 2026-05-21 |
| Kurayami 2 ~Tozasareta Meikyuu~ | r24447 | 2026-05-19 |
| Kurazaki Sakuna no Uwaki Chousa ~Netorare Tsuma no Midara na Kahanshin Jijou~ Download Edition | r117688 | 2026-05-31 |
| Kurazaki Sakuna no Uwaki Chousa ~Netorare Tsuma no Midara na Kahanshin Jijou~ Package Edition | r114131 | 2026-05-11 |
| Kuremutsu no Hajimari | r31486 | 2026-05-16 |
| Kurena i Sosis | r50800 | 2026-05-22 |
| Kurenai - Regular Edition | r8262 | 2026-05-20 |
| Kurenai Damashii | r19509 | 2026-05-10 |
| Kurenai Kagura - Additional Scenario + Visual Fan Book | r26366 | 2026-05-09 |
| Kurenai Kagura - Download Edition | r74754 | 2026-05-22 |
| Kurenai ni Somaru - Trial ver. 1.7 | r53136 | 2026-05-17 |
| Kurenai ni Somaru for iOS & Android | r53138 | 2026-05-16 |
| Kurenai ni Somaru ~Chapter 1 「Tsunagu Mono」~ Download Edition | r53129 | 2026-05-24 |
| Kurenai ni Somaru ~Chapter 1 「Tsunagu Mono」~ Package Edition | r53130 | 2026-05-19 |
| Kurenai ni Somaru ~Chapter 2 「Norowareta Shukumei」~ Download Edition | r53131 | 2026-05-19 |
| Kurenai ni Somaru ~Chapter 2 「Norowareta Shukumei」~ Package Edition | r53132 | 2026-05-19 |