| Hooligan - Kimi no Naka no Yuuki | PlayStation 2 |
JP | 2002-08 | developed |
| Sweet Legacy - Boku to Kanojo no Na mo Nai Okashi | PlayStation 2 |
JP | 2002-12 | developed |
| Canary - Kono Omoi o Uta ni Nosete | PlayStation 2 |
JP | 2003-04 | developed |
| Majo no Ochakai | Dreamcast |
JP | 2003-06-26 | developed |
| Time Leap | PlayStation 3 |
JP | 2007-12-27 | developed |
| Time Leap | Xbox 360 |
JP | 2009-06-25 | developed |
| Time Leap | PlayStation 3 |
JP | 2012-01 | developed |
| Grisaia no Kajitsu - Le Fruit de la Grisaia | PlayStation Portable |
JP | 2013-02 | developed |
| Grisaia no Kajitsu - Le Fruit de la Grisaia | PlayStation Vita |
JP | 2013-08-08 | developed |
| Grisaia no Meikyuu - Le Labyrinthe de la Grisaia | PlayStation Portable |
JP | 2014-10 | developed |
| Grisaia no Meikyuu - Le Labyrinthe de la Grisaia | PlayStation Vita |
JP | 2014-10-30 | developed |
| Grisaia no Rakuen - Le Eden de la Grisaia | PlayStation Vita |
JP | 2014-12-11 | developed |
| Grisaia no Kajitsu Spinout! - Idol Mahou Shoujo ChiruChiru Michiru | PlayStation Vita |
JP | 2015-06 | developed |
| Island | PlayStation Vita |
JP | 2017-02-23 | developed |
| Grisaia no Kajitsu - Side Episode | PlayStation Vita |
JP | 2017-07-27 | developed |
| Island | PlayStation 4 |
JP | 2018-06-28 | developed |
| Grisaia: Phantom Trigger Vol. 01&02 | Nintendo Switch |
? | 2020-06 | developed |
| Grisaia: Phantom Trigger Vol. 03 | Nintendo Switch |
? | 2020-07 | developed |
| Grisaia: Phantom Trigger Vol. 04 | Nintendo Switch |
? | 2020-09 | developed |
| Grisaia: Phantom Trigger Vol. 05 | Nintendo Switch |
? | 2020-11 | developed |
| Grisaia: Phantom Trigger Vol. 5.5 | Nintendo Switch |
? | 2021-01 | developed |
| Island | Nintendo Switch |
? | 2021-04 | developed |
| Grisaia: Phantom Trigger Vol. 06 | Nintendo Switch |
? | 2021-09 | developed |