| Kokorogawari - First Trial | r47409 | 2026-04-21 |
| Kokorogawari - Full Chapter 1 Trial | r47414 | 2026-04-21 |
| Kokorogawari - Standard Edition | r47410 | 2026-04-21 |
| Kokoroid ~Denshi Kairo de Koi Shiteru~ Download Edition | r8224 | 2026-05-17 |
| Kokorone=Pendulum! | r116438 | 2026-05-07 |
| Kokorone=Pendulum! - Trial Edition | r63117 | 2026-05-19 |
| Kokorono | r2206 | 2026-05-19 |
| Kokorono - Download Edition | r72520 | 2026-05-16 |
| Kokosuta -Kokokara Startline- | r87277 | 2026-05-21 |
| Kokubyaku no Avesta - Refusal-Aushedar | r93085 | 2026-05-20 |
| Kokuchou no Psychedelica | r78431 | 2026-05-18 |
| Kokuchou no Psychedelica | r74388 | 2026-04-21 |
| Kokuchou no Psychedelica - Download Edition | r36300 | 2026-05-19 |
| Kokuentouki Dark Shadow - Download Edition | r74420 | 2026-05-20 |
| Kokuhaku | r11493 | 2026-05-22 |
| Kokuhaku | r39592 | 2026-05-22 |
| Kokuhaku | r153738 | 2026-04-30 |
| Kokuhaku - DVDPG | r11495 | 2026-05-19 |
| Kokuhaku - Memorial Collection | r11494 | 2026-05-06 |
| Kokuhaku Confessional | r148749 | 2026-04-21 |
| Kokuhaku Confessional - Censored Edition | r148259 | 2026-05-16 |
| Kokuhaku Game | r106209 | 2026-04-21 |
| Kokuhaku Set - Netorare Choukyou SM Adventure | r91313 | 2026-05-16 |
| Kokuhaku Shitekita Kimoota o Futta Dake de, Yaritai Houdai Seieki Benjo ni Sareru Wake ga Nai. | r29604 | 2026-05-18 |
| Kokuhaku Yuugi | r34420 | 2026-05-22 |
| Kokuhaku Yuugi | r34419 | 2026-05-19 |
| Kokuhaku de Sensei o Komarasetai | r146980 | 2026-05-22 |
| Kokuhaku no Amai Wana | r10093 | 2026-05-22 |
| Kokuin - Low Price Edition | r34596 | 2026-05-22 |
| Kokuin Waltz. - Download Edition | r39202 | 2026-05-22 |
| Kokuin Waltz. - Package Edition | r45089 | 2026-05-22 |
| Kokuin Waltz. - Preceding Trial Edition | r45090 | 2026-05-22 |
| Kokuin Waltz. - Trial Edition | r45091 | 2026-05-16 |
| Kokurase - Episode 1 | r48956 | 2026-05-21 |
| Kokuritsu Kidou Sentai RIPS V | r111831 | 2026-05-20 |
| Kokushi Musou | r26056 | 2026-05-22 |
| Kokushi Musou | r1481 | 2026-05-22 |
| Kokuu Hyouryuu Nirgends | r84712 | 2026-05-21 |
| Kokuu Hyouryuu Nirgends | r17194 | 2026-05-21 |
| Kokuu ~stare into the void...~ | r121135 | 2026-05-21 |
| Kokuzai o Ukerubeki Mono - Download Edition | r26555 | 2026-05-17 |
| Kokyou no Uta | r1370 | 2026-05-11 |
| Kol'cevoj gorod | r151547 | 2026-05-22 |
| Kolderka | r38940 | 2026-05-09 |
| Kolledzh Misterija v0.81 | r144455 | 2026-05-17 |
| Kolledzh Monstrov v1.7.0 | r110233 | 2026-05-20 |
| Koly rozkvitayutʹ prolisky | r94128 | 2026-05-16 |
| Komachi Koiuta | r27246 | 2026-05-16 |
| Komaeda Joins the Circus | DEMO | r149306 | 2026-05-08 |
| Komaeda's Hope Fagment | r149206 | 2026-05-17 |