Asonde Igo ga Sarani Tsuyoku Naru! : Ginsei Igo DS - Chuukyuu Hen

Translates as "Play and become even stronger at Go: Ginsei Go DS Intermediate Edition", "Asonde Igo ga Sarani Tsuyoku Naru!: Ginsei Igo DS: Chuukyuu Hen" is a digital version of the board game Go. The game features board editor and "classroom edition" where you can study hundreds of different tactics on how to approach different stiuations.