| Idol Hakuraku Lesson - Regular Edition | r32516 | 2026-05-09 |
| Idol Hakkenden | r59726 | 2026-04-21 |
| Idol Hakkenden | r92663 | 2026-04-21 |
| Idol Crush | r87432 | 2026-04-21 |
| Idol Crush | r18529 | 2026-04-21 |
| Idk how to title this one v1.1 | r116481 | 2026-04-21 |
| Ides' User's Club ディスク会報 004号 | r128941 | 2026-04-21 |
| Ides' User's Club ディスク会報 003号 | r128940 | 2026-04-21 |
| Identity v0.3.17 | r68915 | 2026-04-21 |
| Identity | r102920 | 2026-04-21 |
| Idealization - Demo | r125980 | 2026-04-21 |
| Ideal Reality | r76952 | 2026-04-21 |
| Ideal Hero v0.01 | r95506 | 2026-04-21 |
| Idaten Ikase Otoko 4 Nyuumon ~Ai o Arigatou~ | r18804 | 2026-05-17 |
| Idaten Ikase Otoko 3 ~Sengo Hen~ | r17865 | 2026-05-05 |
| Idaten Ikase Otoko - 4 Shurui Pack | r88558 | 2026-05-12 |
| Id -Rebirth Session- for iPhone/iPod Touch | r13549 | 2026-05-11 |
| Id -Rebirth Session- Download Edition | r21540 | 2026-05-07 |
| Id - Prologue | r133789 | 2026-04-21 |
| Icicles in the Wind | r137283 | 2026-05-14 |
| Ichorous | r126998 | 2026-04-21 |
| Ichizu ni Zettai Fukujuu na Imouto o Mechakucha ni Shitemita ~Aiyoku Kyoudai~ Package Edition | r41774 | 2026-05-10 |
| Ichizu na Kanojo to Koi Shitai ver. Hirohashi Runa - Trial Edition | r88394 | 2026-05-12 |
| Ichizu na Kanojo to Koi Shitai - Regular Edition | r74443 | 2026-05-17 |
| Ichiya Hitomi ni Isshin Goto | r40335 | 2026-05-12 |
| Ichinichi Okure no FairyTail | r150880 | 2026-05-11 |
| Ichiko, Niko-tomo, Miko to no Ri - Package Edition | r134836 | 2026-05-15 |
| Ichigokuruiza | r130594 | 2026-04-21 |
| Ichigo-Da with Voice | r34217 | 2026-05-12 |
| Ichigo's Study Sessions - 18+ Patch | r140449 | 2026-04-21 |
| Ichigo's Study Sessions | r135223 | 2026-05-05 |
| Ichigo y Kyuugo | r69820 | 2026-04-21 |
| Ichigo Milk 2 - Package Edition | r141297 | 2026-05-16 |
| Ichigo Mashimaro - First Press Limited Edition | r11081 | 2026-05-10 |
| Ichigo Mashimaro | r150480 | 2026-05-16 |
| Ichigo & Kyuugo | r66332 | 2026-04-21 |
| Ichibun Toroado Dai 02 Gou - Aki no Toraneko Ball | r97722 | 2026-05-16 |
| Ichibun Toroado Dai 01 Gou | r97723 | 2026-05-16 |
| Ichiban Oishii Gomi Dake Tabesasete | r139103 | 2026-05-16 |
| Ichaloli! ~Toshishita no Kanojo to Ichaicha suru Nichijou~ | r79643 | 2026-05-17 |
| Ichaloli! ~Toshishita no Kanojo to Ichaicha suru Nichijou~ | r118679 | 2026-04-21 |
| Icha x2 Study 由乃 ~Dear Future~ | r144801 | 2026-04-21 |
| Icha x2 Study 由乃 ~Dear Future~ | r121450 | 2026-04-21 |
| Icha Pri! ~Ojou-sama to Icha Love Ecchi na Mainichi~ | r5343 | 2026-05-15 |
| Icha Icha Steady | r91991 | 2026-05-05 |
| Icha Ane! | r150635 | 2026-05-10 |
| Iced Tea at a Coffee Shop | r119956 | 2026-04-21 |
| Icebreaker!: Friend or Froze? | r102370 | 2026-04-21 |
| Icebreaker | r139245 | 2026-04-21 |
| Icebound - Voiced Demo | r34180 | 2026-04-21 |