| Game | Released | Series |
|---|
| Happy Breeding | April 26, 2002 | — |
| Natsuiro Komachi | February 28, 2003 | — |
| Ashita no Kimi to Au Tame ni | November 30, 2007 | — |
| Memoria | August 28, 2009 | — |
| Natsu ni Kanaderu Bokura no Uta | March 26, 2010 | — |
| Amatsutsumi | July 29, 2016 | Amatsukago no Tori BOX |
| Seishun Fragile | August 28, 2020 | — |
| Kunado Chronicles | December 24, 2021 | — |
| Liminal Border Part I | November 13, 2023 | Criminal Border |
| Liminal Border Part II | March 6, 2024 | Criminal Border |
| Liminal Border Part IV | May 31, 2024 | Criminal Border |
| Aoi Tori | June 26, 2024 | Amatsukago no Tori BOX |
| Liminal Border Part III | — | Criminal Border |
| Game | Released | Developer | Series |
|---|
| Happy Breeding | April 26, 2002 | Purple software | — |
| Natsuiro Komachi | February 28, 2003 | Purple software | — |
| Ashita no Kimi to Au Tame ni | November 30, 2007 | Purple software | — |
| Memoria | August 28, 2009 | Purple software | — |
| Natsu ni Kanaderu Bokura no Uta | March 26, 2010 | Purple software | — |
| Amatsutsumi | July 29, 2016 | Purple software | Amatsukago no Tori BOX |
| Seishun Fragile | August 28, 2020 | Purple software | — |
| Kunado Chronicles | December 24, 2021 | Purple software | — |
| Liminal Border Part IV | May 31, 2024 | Purple software | Criminal Border |
| Aoi Tori | June 26, 2024 | Purple software | Amatsukago no Tori BOX |