| To Whom the Bouquet Falls | - | - |
| To Win | - | - |
| To all the rocks that raised me | 2024-04-17 | - |
| To eat a god | 2025-10-12 | 7.60 (17) |
| To the Depths and Back | 2014-01-13 | - (2) |
| To the Edge of the Sky | - | - (4) |
| To the Max | - | - (1) |
| To you | 2022-12-07 | - (1) |
| ToHeart | 1999-03-25 | 7.40 (158) |
| ToHeart2 | 2004-12-28 | 7.40 (1092) |
| ToHeart2 AnotherDays | 2008-02-29 | 7.10 (128) |
| ToHeart2 Dungeon Travelers | 2009-12-18 | 6.80 (33) |
| ToHeart2 Main | 2009-03-26 | - |
| ToHeart2 Only | 2005 | - |
| ToHeart2 Petit | 2008-01-20 | - |
| ToNight2 | 2006-12-06 | - (2) |
| ToSchool ~Kimi ga Soba ni Iru Nichijou~ | 2025-04-01 | 7.00 (36) |
| Toad Trails: Rufus' Story | 2024-12-12 | - |
| Toaru Fuufu no Hensai Keikaku | 2021-07-26 | 7.80 (28) |
| Toaru Hahaoya no Ayamachi ~Yukari Hen~ | 2016-11-19 | 7.50 (122) |
| Toaru Hahaoya no Ayamachi ~Yukari Sono Kouhen~ | 2018-01-08 | 8.10 (103) |
| Toaru Hitozuma no Netorare Jijou | 2013-06-26 | 7.70 (62) |
| Toaru Hitozuma no Netorare Jijou "Y" | 2016-01-23 | 7.40 (30) |
| Toaru Hitozuma no Netorare Jijou 2 | 2014-12-05 | 8.20 (61) |
| Toaru Kagaku no Festival | 2010-07-05 | - (1) |
| Toaru Kagaku no Railgun | 2009-11-14 | 6.10 (8) |
| Toaru Kagaku no Railgun | 2011-11-23 | 6.50 (28) |
| Toaru Kagaku no Vibrator | 2010-11-28 | 5.30 (15) |
| Toaru Kanojo no Kensaku Rireki | 2015-09-04 | 6.40 (7) |
| Toaru Kanojo no Netorare Kiroku ~Toshiue Osananajimi ga Hentai Kyoushi no Bitch Tsuma ni Naru Made~ | 2011-06-24 | 6.00 (34) |
| Toaru Kazoku no Netorare Moyou -Kazoku Ai- | 2013-03-29 | 6.10 (56) |
| Toaru Kyuuketsuki-chan no Jinsei | 2018-07-25 | - |
| Toaru Mahou Gakkou no Nichijou ~Halloween Room~ | 2008-10-03 | - |
| Toaru Majutsu to Kagaku no Ensemble | 2013-02-21 | 6.60 (7) |
| Toaru Mentsu no Datsui Douga | 2011-10-04 | - (1) |
| Toaru Mikoto no Funben Choukyou | 2015-08-12 | - |
| Toaru Mikoto no Kaihatsu Nikki | 2011-03-26 | - (1) |
| Toaru Nouryokusha o Haramaseta | 2010-03-19 | - |
| Toaru Onna Senshi no Shuudan Mensetsu -Onna Senshi to Shite Orc ya Hydra to Tatakatta Keiken o Onsha de Ikaseru to Omoi Shibou Itashimashita- | 2015-12-25 | 6.40 (12) |
| Toaru Otoko no Netorare Nikki | 2010-12-19 | 5.20 (6) |
| Toaru Otoko-tachi no Hanashi | 2018-03-04 | - |
| Toaru Rei no Hanashi | 2023-07-30 | - |
| Toaru Shoujo no Sainan ~Watashi wa Watashi ni Shitto Suru~ | 2016-08-11 | - |
| Toaru Toshi no Chijoku Shoujo | 2011-08-10 | - (4) |
| Toast Ghost | 2020-10-04 | - (2) |
| Toast Quest aka I'm not feeling myself today | 2026-03-25 | - |
| Tobe! Ayase ~Kasshoku Bishoujo wa Taiiku Souko de Ikimakuri~ | 2011-10-29 | - (3) |
| Tobenai Chou no Valentine | 2026-05-01 | - (2) |
| Tobeta to Shite mo Buta wa x ne | 2015-01-17 | - |
| Tobi DVine | 2001-05-25 | - (4) |