| Seirei no Himegimi Stea ~Stoom Core no Densetsu~ | r116335 | 2026-05-16 |
| Seirei no Dystopia | r77332 | 2026-06-02 |
| Seirei Tenka ~Se o Hayami Iwa Nise Kakaru Takigawa no Waretemo Sue ni~ | r134637 | 2026-06-02 |
| Seirei Tenka ~Se o Hayami Iwa Nise Kakaru Takigawa no Waretemo Sue ni~ | r134636 | 2026-06-02 |
| Seirei Tenka ~Se o Hayami Iwa Nise Kakaru Takigawa no Waretemo Sue ni~ | r134635 | 2026-06-02 |
| Seirei Tenka ~Kimi to Koso Haru Kuru Koto mo Mata Shika~ | r101047 | 2026-06-01 |
| Seirei Tenka ~Kimi to Koso Haru Kuru Koto mo Mata Shika~ | r143235 | 2026-05-31 |
| Seirei Rimu no Love Icha Nakadashi Ongaeshi ~Oppai Monde Maryoku Charge♪ Ecchi na Negai Kanaemasu!~ Package Edition | r11342 | 2026-05-27 |
| Seirei Rimu no Love Icha Nakadashi Ongaeshi ~Oppai Monde Maryoku Charge♪ Ecchi na Negai Kanaemasu!~ Download Edition | r11343 | 2026-05-28 |
| Seirei Rimu no Love Icha Nakadashi Ongaeshi ~Oppai Monde Maryoku Charge♪ Ecchi na Negai Kanaemasu!~ | r53744 | 2026-05-22 |
| Seirei Kishi Aqueal Reizoku no Hanayome - Download Edition | r14277 | 2026-05-22 |
| Seirei Gari | r2379 | 2026-05-09 |
| Seirei Choukoushi | r95135 | 2026-05-22 |
| Seinarukana Special Fan Disc - Download Edition | r37985 | 2026-05-15 |
| Seinarukana Special Fan Disc | r1659 | 2026-05-16 |
| Seinarukana Special Edition - Download Edition | r37980 | 2026-05-10 |
| Seinarukana Special Edition | r22045 | 2026-05-26 |
| Seinarukana Gaiden - Seirei Tenshou ~Kowareyuku Sekai no Shoujo-tachi~ Download Edition | r40416 | 2026-05-28 |
| Seinarukana Gaiden - Seirei Tenshou ~Kowareyuku Sekai no Shoujo-tachi~ | r4600 | 2026-06-09 |
| Seinarukana Gaiden - Seirei Tenshou ~Crystal Friends~ First Press Edition | r12904 | 2026-05-27 |
| Seinarukana Gaiden - Seirei Tenshou ~Crystal Friends~ Download Edition | r74688 | 2026-05-26 |
| Seinarukana -The Spirit of Eternity Sword 2- Steam Restoration Patch | r50208 | 2026-05-23 |
| Seinarukana -The Spirit of Eternity Sword 2- Steam Edition | r44796 | 2026-04-21 |
| Seinarukana -The Spirit of Eternity Sword 2- SPECIAL PACKAGE | r243 | 2026-06-04 |
| Seinarukana -The Spirit of Eternity Sword 2- Package Edition | r8646 | 2026-05-22 |
| Seinarukana -The Spirit of Eternity Sword 2- Download Edition | r44797 | 2026-05-18 |
| Seinarukana -The Spirit of Eternity Sword 2- | r139063 | 2026-05-09 |
| Seinarukana -Orihalcon no Mei no Moto ni- Regular Edition | r18377 | 2026-06-07 |
| Seinarukana -Orihalcon no Mei no Moto ni- First Press Limited Edition | r18376 | 2026-05-22 |
| Seinaru Yoru no Wasuremono | r106963 | 2026-05-29 |
| Seinaru Yoru ni Loli Santa - Trial Edition | r90187 | 2026-05-26 |
| Seimin! Sister Sophie wa Haramase Onaho ~Aizu Hitotsu de Kyokon Suuhaisha ni Narisagaru Bakunyuu Seishokusha~ Package Edition | r128214 | 2026-05-15 |
| Seimin! Sister Sophie wa Haramase Onaho ~Aizu Hitotsu de Kyokon Suuhaisha ni Narisagaru Bakunyuu Seishokusha~ Download Edition | r128213 | 2026-05-31 |
| Seima no Tenbin - Package Edition | r10628 | 2026-05-26 |
| Seima no Tenbin - Download Edition | r10627 | 2026-06-09 |
| Seima no Tenbin - DVD-PG Edition | r10641 | 2026-06-08 |
| Seima no Tenbin | r151882 | 2026-06-09 |
| Seilane (PC-98) | r49465 | 2026-05-22 |
| Seilane (PC-88) | r49443 | 2026-05-08 |
| Seilane (MSX2) | r49470 | 2026-05-07 |
| Seilane | r19003 | 2026-05-22 |
| Seilane | r19002 | 2026-05-19 |
| Seilane | r48427 | 2026-05-18 |
| Seikyouiku ~Monster Parent no Rifujin na Youkyuu~ Download Edition | r22962 | 2026-05-29 |
| Seikoujo Claudia - Android Edition | r150028 | 2026-05-18 |
| Seikoujo - Best Price Edition - Package Edition | r8480 | 2026-06-01 |
| Seikoujo - Best Price Edition - Download Edition | r14687 | 2026-05-21 |
| Seikoujo - Android Edition | r150027 | 2026-06-11 |
| Seikoujo | r8477 | 2026-05-19 |
| Seikou Tenshi Noel Saishuushou - Aku Ochi Rensa Hametsu Hen | r69459 | 2026-06-01 |