Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Challenge the Genius of History! Run through the Great History!
The fourth installment of the best-selling book "Exercise of the Head" has evolved into an interactive puzzle book in the DS.
The present, past and future. Every age has mysteries and every age has geniuses.
All you need is the mystery of history!
Let's challenge the geniuses of each age!