Tokuten Ryoku Gakushuu DS: Chuu 1 Rika: Chuu 2 Rika: Chuu 3 Rika: Chuugaku Chiri

The Tokuten Ryoku Gakushuu DS series is a collection of educational video games for the Nintendo DS, developed and published by Benesse. These titles are designed as study aids for Japanese middle school students to prepare for exams in subjects like Science (Rika) and Geography (Chiri).