The third book in the series is certainly the toughest, with all manner of observations to make and clues to deduce. Like in the previous books, it’s impossible to get every achievement during a single play-through. Warning: spoilers ahead! For those interested in perfecting tests or how to save Daisuke/Keiko in the final chapters, scroll to the bottom of this article. I will provide a detailed description of the point system used. Unfortunately the...