| Dear My Friend - Love Like Powdery Snow | PlayStation 2 |
JP | 2005-04 | published, developed |
| Konneko - Keep a Memory Green | PlayStation 2 |
JP | 2005-10 | published |
| Mystereet - Yasogami Kaoru no Jiken File | PlayStation 2 |
JP | 2006-05 | published |
| Tamayura - Mitama Okuri no Uta | PlayStation 2 |
JP | 2006-06 | published |
| Sekai no Subete - Two of Us | PlayStation 2 |
JP | 2006-09 | published, developed |
| Myself; Yourself | PlayStation 2 |
JP | 2007-12 | published |
| Secret Game - Killer Queen | PlayStation 2 |
JP | 2008-08 | published |
| Koihime Musou - Doki Otome Darake no Sangokushi Engi | PlayStation 2 |
JP | 2008-11 | published |
| Myself; Yourself - Sorezore no Finale | PlayStation 2 |
JP | 2009-05 | published |
| Sengoku Hime - Senran ni Mau Otometachi | PlayStation 2 |
JP | 2009-11 | published |
| Sengoku Hime - Senran ni Mau Otometachi | PlayStation Portable |
JP | 2009-11-12 | published, developed |
| Secret Game - Killer Queen - Portable | PlayStation Portable |
JP | 2010-05-27 | published, developed |
| Shin Koihime Musou Ryouran Shokuhen | PlayStation Portable |
JP | 2010-11 | published, developed |
| Sengoku Hime 2 - En - Hyakka, Senran Tatsukaze no Gotoku | PlayStation 2 |
JP | 2010-12 | published |
| Shin Koihime Musou Ryouran Gohen | PlayStation Portable |
JP | 2011-09 | published, developed |
| Shin Koihime Musou - Otome Ryouran Sangokushi Engi | PlayStation 2 |
JP | 2011-11 | published, developed |
| Root Double - Before Crime - After Days | Xbox 360 |
JP | 2012-06-14 | published, developed |
| Rebellions - Secret Game 2nd Stage | PlayStation Portable |
JP | 2013-03-28 | published, developed |
| Root Double - Before Crime - After Days - Xtend Edition | PlayStation 3 |
JP | 2013-10-24 | published, developed |
| Koihime Enbu | PlayStation 3 |
JP | 2016-01 | published |
| Alex Kidd 3 - Curse in Miracle World | Master System |
WORLD | 2021-02 | published, developed |