| Gakuen Caste ~Youmuin Gesuyama no Gyakuten Shihai Seikatsu~ | 2014-07-25 | 6.40 (44) |
| Gakuen Choukyou Iinkai ~Mesukyoushi Injoku no Houkago~ | 2007-09-21 | - (4) |
| Gakuen Club Triangle ~Seifuku to Shojo to Amai Kaori~ | 2008-12-05 | 6.30 (6) |
| Gakuen Club ~Houkago no Himitsu~ | 2015-05-14 | 5.40 (121) |
| Gakuen Counselor | 2002-10-04 | - |
| Gakuen Gekokujou ~Ore ga Akogare no Ojou-sama o Inran Ochi Saseru made~ | 2014-07-25 | 6.10 (21) |
| Gakuen Hanafuda Gouka Kenran Zenpen | 2011-05-20 | - |
| Gakuen Handsome | 2010-08-29 | 7.30 (69) |
| Gakuen Handsome: Chocolate | 2014-03-24 | 6.50 (7) |
| Gakuen Handsome: Ito Okashi | 2015-01-03 | - (4) |
| Gakuen Handsome: Restaurant | 2014-08-04 | 6.10 (9) |
| Gakuen Handsome: Revolution | 2014-03-03 | 6.40 (7) |
| Gakuen Harem!! | 1998-07-10 | - (1) |
| Gakuen Heaven 2 ~Double Scramble!~ | 2014-07-11 | 7.50 (73) |
| Gakuen Heaven: Boy's Love Scramble! | 2002-08-02 | 7.00 (59) |
| Gakuen Hetalia | 2011-03-24 | 6.30 (16) |
| Gakuen Hyouryuu Senki | 1999-07-01 | 6.60 (9) |
| Gakuen Injoku Rinbukyoku ~Junketsu no Otome ga Midara na Mesu e to Ochiru made~ | 2012-01-27 | 7.00 (37) |
| Gakuen Inkitan ~Kaori Tsuki no Shoujo~ | 2022-01-28 | 6.60 (33) |
| Gakuen Jigoku Arcadia | 2020-12-23 | - (1) |
| Gakuen K -Wonderful School Days- | 2014-10-30 | 6.70 (55) |
| Gakuen King -Hidehiko Gakkou o Tsukuru- | 1996-06-07 | 6.50 (9) |
| Gakuen King Bangai Hen -Hidehiko Curry o Tsukuru- | 1998-11-26 | - (2) |
| Gakuen Lez Panic! ~Kankin Sareta Onnanoko o Sukuu Ohanashi~ | 2023-01-20 | - (4) |
| Gakuen Meikyuu Ero Happening! ~Ikuze! Seigi no Dungeon Kouryaku~ | 2011-11-25 | 6.10 (10) |
| Gakuen Milk Tea | 2007-05-25 | 6.60 (11) |
| Gakuen Minna no Seishori Gakari ~Dosukebe Houshi Iinkai Pakopako Katsudou Kiroku!~ | 2016-04-01 | 6.70 (51) |
| Gakuen Monogatari | 1987-11 | - |
| Gakuen NTR ~Boku no Shiranai Kanojo no Kao~ | 2013-01-25 | 6.60 (75) |
| Gakuen Nai Kyousei Roshutsu | 2015-06-19 | 5.50 (12) |
| Gakuen Ojou-sama Kitan | 2000-08-25 | - (4) |
| Gakuen Panopticon | 2022-10-24 | - |
| Gakuen Pets 2 ~Pool Side no Shiiku Katsudou~ | 2008-10-10 | - (1) |
| Gakuen Pets 3 ~Seieki Mamire no Toshokan~ | 2009-09-11 | - (2) |
| Gakuen Pets ~Houkago no Shiikusha~ | 2007-12-21 | - (2) |
| Gakuen Prince ~Fandisc~ | 2005-02-25 | - (3) |
| Gakuen RPG ~Tou Hikou Seitokaichou~ | 2019-05-30 | 5.40 (5) |
| Gakuen Redux | 2005-07-29 | 6.00 (19) |
| Gakuen Ren'ai Chuuihou | 2001-12-21 | - (3) |
| Gakuen Rensenki | 2017-10-27 | - (4) |
| Gakuen Saiingoku ~Kyouki to Haramase no Utage~ | 2016-12-22 | 5.30 (17) |
| Gakuen Saimin Reido ~Sakki made, Daikirai Datta Hazu na no ni~ | 2008-12-19 | 7.30 (135) |
| Gakuen Saver Youko | 2007-11-20 | - |
| Gakuen Sei Senshi Sailor Knight 2 ~Seigi no Heroine Kanzen Akuochi Manual~ | 2014-01-24 | 7.10 (24) |
| Gakuen Sei Senshi Sailor Knight ~Seigi no Heroine Kanzen Seifuku Manual~ | 2013-04-19 | 7.00 (40) |
| Gakuen Senki | 1988-05 | 5.50 (20) |
| Gakuen Senkyo ~Seito o Kankin Choukyou, Ana Dorei ni Sareta Seifuku Shoujo~ | 2012-02-01 | - (2) |
| Gakuen Senshi Sailor Fighter | 1994-04-15 | - (1) |
| Gakuen Shojo Gari | 2005-06-10 | - (2) |
| Gakuen Sodom ~Kyoushitsu no Mesu Dorei-tachi~ | 1995-09-08 | 5.60 (7) |