| Kakuu no Kyoukai -Hallucination- Package Edition | r20871 | 2026-05-20 |
| Kakyoin Dating Simulator | r86697 | 2026-05-15 |
| Kakyuusei | r62279 | 2026-05-22 |
| Kakyuusei | r4569 | 2026-05-10 |
| Kakyuusei - Original Reprint Edition | r4615 | 2026-05-10 |
| Kakyuusei 1 & 2 Complete Pack - Windows 10 Support | r66069 | 2026-05-22 |
| Kakyuusei 2 | r2111 | 2026-05-22 |
| Kakyuusei 2 - Windows 10 Support | r66067 | 2026-05-22 |
| Kakyuusei Kyouhaku Ryoujoku - Package Edition | r36581 | 2026-05-20 |
| Kakyuusei Remake | r140695 | 2026-05-22 |
| Kakyuusei for Macintosh | r4570 | 2026-05-22 |
| Kalanchoe - Trial Edition | r83275 | 2026-05-16 |
| Kaleido Stella | r88517 | 2026-05-17 |
| Kaleidoeve - First Press Limited Edition | r53262 | 2026-05-21 |
| Kaleidoeve - First Press Limited Edition | r35979 | 2026-05-06 |
| Kaleidoeve - Regular Edition | r33575 | 2026-05-21 |
| Kaleidoeve - Regular Edition | r35981 | 2026-05-07 |
| Kaleidoscope | r140639 | 2026-04-21 |
| Kaleidoscope ~Mangekyou~ | r29219 | 2026-05-22 |
| Kaleidscope | r41295 | 2026-04-21 |
| Kalejdoskop prekrasnyh devushek -Devushki, sozdannye Bogom- | r139673 | 2026-05-18 |
| Kali: Call of Darkness | r141815 | 2026-04-21 |
| Kali: Call of Darkness, Season 1 | r141809 | 2026-04-21 |
| Kali: Call of Darkness, Season 2 | r141813 | 2026-05-12 |
| Kali: Call of Darkness, Season 3 | r141814 | 2026-04-21 |
| Kali: Flame of Samsara | r141807 | 2026-04-21 |
| Kali: Flame of Samsara, Season 1 | r141804 | 2026-04-21 |
| Kali: Flame of Samsara, Season 2 | r141805 | 2026-04-21 |
| Kali: Flame of Samsara, Season 3 | r141806 | 2026-04-21 |
| Kalmia no Hanataba o ~bouquet of relief~ Prequel | r149953 | 2026-05-22 |
| Kalopsia: Let's Descend Together - Demo | r146089 | 2026-04-21 |
| Kamaitachi no Yor | r126923 | 2026-05-18 |
| Kamaitachi no Yoru | r32087 | 2026-05-19 |
| Kamaitachi no Yoru | r2339 | 2026-05-13 |
| Kamaitachi no Yoru | r130654 | 2026-04-21 |
| Kamaitachi no Yoru - Noch' kama-itati | r82510 | 2026-05-15 |
| Kamaitachi no Yoru - Rinne Saisei | r83933 | 2026-04-21 |
| Kamaitachi no Yoru - Smart Sound Novel | r84348 | 2026-05-19 |
| Kamaitachi no Yoru - i Appli Edition | r2338 | 2026-05-08 |
| Kamaitachi no Yoru - Ночь камаитати: Возрождение - Demo | r125896 | 2026-04-21 |
| Kamaitachi no Yoru 2 ~Kangokujima no Warabe Uta~ Special Box | r9678 | 2026-05-19 |
| Kamaitachi no Yoru ADVANCE | r2336 | 2026-05-08 |
| Kamaitachi no Yoru Triple | r124343 | 2026-05-19 |
| Kamaitachi no Yoru internet | r2337 | 2026-05-07 |
| Kamaitachi no Yoru mini | r2335 | 2026-05-08 |
| Kamaitachi no Yoru x3: Правда острова Миказуки | r124365 | 2026-04-21 |
| Kamaitachi no Yoru – Rinne Saisei | r145145 | 2026-04-21 |
| Kamaitachi ~Hiiro no Sakeme~ | r41374 | 2026-05-16 |
| Kamaitachi ~Hiiro no Sakeme~ Download Edition | r41636 | 2026-05-07 |
| Kamakiri Ritual | r45046 | 2026-04-21 |