| Illegal Immigration 2: Green Card Love | r40041 | 2026-05-12 |
| Illegal Romance | r43737 | 2026-04-21 |
| Illegal confinement | r114095 | 2026-04-21 |
| Illicit Love ~Secret Time with Housewives~ | r88049 | 2026-05-14 |
| Illo Don Juan | r120753 | 2026-05-08 |
| Illumina! | r42393 | 2026-05-22 |
| Illumina! | r42392 | 2026-05-22 |
| Illumina! | r42395 | 2026-05-22 |
| Illumina! | r42394 | 2026-05-17 |
| Illusion of Choice - Part 1 | r104654 | 2026-04-21 |
| Illusion of Itehari - Download Edition | r124967 | 2026-05-20 |
| Illusion of Itehari - Online Exclusive Edition | r140535 | 2026-05-13 |
| Illusion of Itehari - Standard Edition | r135049 | 2026-05-16 |
| Illusionary Trauma | r55533 | 2026-05-20 |
| Illusionary Trauma | r55534 | 2026-05-13 |
| Illusions Of Darkness | r109150 | 2026-04-21 |
| Illusory Haze | r144456 | 2026-04-21 |
| Illusrigare - Demo | r144966 | 2026-05-08 |
| Illusrigare - Demo | r119015 | 2026-04-21 |
| Ima - Anata to | r86255 | 2026-05-16 |
| Ima Nandemo Suru tte Itta yo ne? | r92416 | 2026-05-17 |
| Ima Sugu Onii-chan ni Imouto da tte Iitai! | r89152 | 2026-05-06 |
| Ima Sugu Onii-chan ni Imouto da tte Iitai! - First Press Limited Edition | r30891 | 2026-05-07 |
| Ima Sugu Onii-chan ni Imouto da tte Iitai! - First Production Limited Edition | r15588 | 2026-05-07 |
| Ima Sugu Onii-chan ni Imouto da tte Iitai! - Trial Edition | r23979 | 2026-05-06 |
| Ima mo Itsuka mo Faluna Luna - Download Edition | r48054 | 2026-05-16 |
| Ima mo Itsuka mo Faluna Luna - First Press Edition | r16576 | 2026-05-12 |
| Ima mo Itsuka mo Faluna Luna Translation patch | r125058 | 2026-05-12 |
| Ima アナタと | r86256 | 2026-04-21 |
| Imabikisou | r8308 | 2026-05-05 |
| Imadoki ****gakusei wa Chou Bitch - Trial Edition | r89947 | 2026-05-13 |
| Imadoki Battle Fantasy ~Yuusha to Maou no Dousei Seikatsu~ | r56956 | 2026-05-17 |
| Imadoki Battle Fantasy ~Yuusha to Maou no Dousei Seikatsu~ | r146470 | 2026-04-21 |
| Imadoki Joshi ~Kokoro wa Junjou - Afureru Inbikou~ | r55716 | 2026-05-19 |
| Imadoki Junjou Monogatari - 5-inch Edition | r131984 | 2026-05-16 |
| Image | r7540 | 2026-05-15 |
| Image - 3.5-inch Edition | r7542 | 2026-05-16 |
| Image 2 | r18210 | 2026-05-19 |
| Image x Fiction | r95276 | 2026-05-10 |
| ImageClub PINK-UNT | r39963 | 2026-05-16 |
| Imaginal Voyages - Early Access | r105654 | 2026-04-21 |
| Imaginary Realm -Alternate Memory- | r18981 | 2026-05-07 |
| Imaginary Realm -Alternate Memory- | r38110 | 2026-04-21 |
| Imaginary Realm 2 -Absolute Scenario- | r18982 | 2026-05-07 |
| Imaginary Spectacle Parade | r134550 | 2026-04-21 |
| Imaginary heart | r87379 | 2026-04-21 |
| Imagination - Demo | r127964 | 2026-05-19 |
| Imagination - Demo | r104242 | 2026-05-06 |
| Imagination - Remastered Demo | r104244 | 2026-04-21 |
| Imagination Love | r17396 | 2026-05-21 |