| Teikoku Sensenki | PlayStation 2 |
JP | 2004-11 | developed |
| Like Life an Hour | PlayStation 2 |
JP | 2005-08 | developed |
| Konneko - Keep a Memory Green | PlayStation 2 |
JP | 2005-10 | developed |
| I-O | PlayStation 2 |
JP | 2006-01 | developed |
| Tamayura - Mitama Okuri no Uta | PlayStation 2 |
JP | 2006-06 | developed |
| Aria - The Natural - Tooi Yume no Mirage | PlayStation 2 |
JP | 2006-09 | developed |
| I's Pure | PlayStation 2 |
JP | 2006-11 | developed |
| Saint Beast - Rasen no Shou | PlayStation 2 |
JP | 2007-09 | developed |
| Myself; Yourself | PlayStation 2 |
JP | 2007-12 | developed |
| Izumo 2 - Gakuen Kyousoukyoku Double Tact | PlayStation 2 |
JP | 2008-01 | developed |
| H2O+ - Footprints in the Sand | PlayStation 2 |
JP | 2008-04 | developed |
| Aria - The Origination - Aoi Hoshi no El Cielo | PlayStation 2 |
JP | 2008-06 | developed |
| Secret Game - Killer Queen | PlayStation 2 |
JP | 2008-08 | developed |
| Myself; Yourself - Sorezore no Finale | PlayStation 2 |
JP | 2009-05 | developed |
| Sweet Honey Coming | PlayStation 2 |
JP | 2009-09 | developed |
| Konneko - Keep a Memory Green | PlayStation Portable |
JP | 2011-12-08 | developed |
| Root Double - Before Crime - After Days - Xtend Edition | PlayStation Vita |
EU | 2014-07 | developed |
| Root Double - Before Crime - After Days - Xtend Edition | PlayStation Vita |
JP | 2014-07-24 | developed |
| Root Double - Before Crime - After Days - Xtend Edition | PlayStation Vita |
US | 2018-03-08 | developed |
| Dei Gratia no Rashinban | Nintendo Switch |
? | 2018-12 | published |
| The Demon Crystal | Nintendo Switch |
? | 2018-12 | published, developed |
| Shadow Corridor | PlayStation 4 |
JP | 2019-12-25 | published, developed |
| Cross Channel: For All People | Nintendo Switch |
? | 2020-08 | published, developed |
| Monster Girls and the Mysterious Adventure | Nintendo Switch |
? | 2020-09 | published |
| PIANOFORTE | Nintendo Switch |
? | 2023-03 | published, developed |