| Maerchen Adventure Cotton 100% | Super Nintendo Entertainment System |
US | 1994-04 | published |
| Maerchen Adventure Cotton 100% | Super Nintendo Entertainment System |
JP | 1994-04 | developed |
| Makeruna! Makendou 2 - Kimero! Youkai Souridaijin | Super Nintendo Entertainment System |
JP | 1995-03 | published |
| Makeruna! Makendou 2 | PlayStation |
JP | 1995-11-10 | published |
| Shichuu Suimei Pitagraph | PlayStation |
JP | 1995-12 | published |
| Youchien Senki Madara | Super Nintendo Entertainment System |
JP | 1996-01-26 | published |
| Shichuu Suimei Pitagraph | Sega Saturn |
JP | 1996-02-23 | published, developed |
| Rupupu Cube - Lup Salad | PlayStation |
JP | 1996-10 | published |
| Roommate - Inoue Ryouko | Sega Saturn |
JP | 1997-02-14 | published |
| Dragon Master Silk | Sega Saturn |
JP | 1997-03-28 | published |
| Roommate - Ryouko in Summer Vacation | Sega Saturn |
JP | 1997-09-25 | published, developed |
| Sugoventure - Dragon Master Silk Gaiden | Sega Saturn |
JP | 1998-02-19 | published |
| Roommate 3 - Ryouko Kaze no Kagayaku Asa ni | Sega Saturn |
JP | 1998-04-29 | published, developed |
| Roommate W - Futari | Sega Saturn |
JP | 1999-01-14 | published |
| Ryouko no Oshaberi Room | Sega Saturn |
JP | 1999-04 | published, developed |
| Roommate - Inoue Ryoko | PlayStation |
JP | 1999-07-29 | published |
| Pocke-Kano - Aida Yumi | PlayStation |
JP | 1999-12 | published |
| Pocke-Kano - Houjouin Shizuka | PlayStation |
JP | 1999-12 | published |
| Pocke-Kano - Ueno Fumio | PlayStation |
JP | 1999-12 | published |
| Pocke-Kano - Yumi, Shizuka, Fumio | Dreamcast |
JP | 2000-06-08 | published |
| Roommate Novel - Satou Yuka | Dreamcast |
JP | 2000-06 | published, developed |
| Happy Lesson - First Lesson | Dreamcast |
JP | 2000-09-28 | published |
| Happy Lesson | Dreamcast |
JP | 2001-04-26 | published |
| Inoue Ryouko - Last Scene | Dreamcast |
JP | 2001-11-08 | published, developed |
| Roommate Asami - Okusama wa Joshikousei | PlayStation 2 |
JP | 2002-06 | published, developed |
| Memorial Song | PlayStation 2 |
JP | 2002-08 | published, developed |
| Roommate Asami - Okusama wa Joshikousei - Director's Edition | Dreamcast |
JP | 2002-11 | published |
| Guardian Angel | PlayStation 2 |
JP | 2003-02 | published |
| Private Nurse - Maria | PlayStation 2 |
JP | 2003-09 | published |
| Furasera - Hurrah! Sailor | PlayStation 2 |
JP | 2004-02 | published, developed |
| Double Reaction! Plus | PlayStation 2 |
JP | 2004-09 | published, developed |
| Pure Pure - Mimi to Shippo no Monogatari | PlayStation 2 |
JP | 2005-01 | published |
| North Wind - Eien no Yakusoku | PlayStation 2 |
JP | 2005-04 | published, developed |
| Shooting Love - Trizeal | PlayStation 2 |
JP | 2006-04 | published |
| Soshite Kono Sora ni Kirameku Kimi no Uta | PlayStation 2 |
JP | 2006-05 | published, developed |
| Soshite Kono Sora ni Kirameku Kimi no Uta XXX | PlayStation 2 |
JP | 2007-02 | published, developed |