Goukaku Boy Series – Kirihara Shoten Hinshutsu Eibunpou Gohou Mondai 1000 was developed by Imagineer Company Limited., Released in 1998 Goukaku Boy Series – Kirihara Shoten Hinshutsu Eibunpou Gohou Mondai 1000
Goukaku Boy Series – Gakken – Yojijukugo 288 was developed by Imagineer Company Limited., Released in 1998 Goukaku Boy Series – Gakken – Yojijukugo 288