| Gofungo no Sekai - Five Minutes from nowhere Japan | Sony - PlayStation 2 | 2001 |
| Machi-ing Maker Japan | Sony - PlayStation 2 | 2001 |
| Culdcept Expansion Japan | Sony - PlayStation | 1999 |
| Culdcept Expansion Plus Japan | Sony - PlayStation | 2000 |
| Enen Angel Japan | Sony - PlayStation | 2001 |
| Enen Angel [PSOne Books] Japan | Sony - PlayStation | 2002 |
| Kero Kero King [Limited Edition] Japan | Sony - PlayStation | 2000 |
| Kero Kero King [PSOne Books] Japan | Sony - PlayStation | 2002 |
| Reikoku - Kizoku Ikeda's Psychics Laboratory Japan | Sony - PlayStation | 2000 |
| Reikoku - Kizoku Ikeda's Psychics Laboratory [PSOne Books] Japan | Sony - PlayStation | 2002 |
| Tenkuu No Restaurant Japan | Sony - PlayStation | 2000 |
| Tenkuu No Restaurant PSOne Books Japan | Sony - PlayStation | 2002 |
| Tenkuu No Restaurant - Hello! Project Version Japan | Sony - PlayStation | 2001 |