| Nessa No Hoshi Japan Disc 1 of 2 | Sony - PlayStation | 1997 |
| Nessa No Hoshi Japan Disc 2 of 2 | Sony - PlayStation | 1997 |
| Saikyou no igo - The strongest game of go Japan | Sony - PlayStation | 1998 |
| Saikyou no igo - The strongest game of go [Reprint] Japan | Sony - PlayStation | 1999 |
| Soukoban Basic Japan | Sony - PlayStation | 1997 |
| Soukoban Basic Japan | Sony - PlayStation | 1997 |