Include release/platform specifics, where to check technical patches or community feedback (reviews/patch notes), and a one-line final recommendation.

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The premise is the strongest hook in the game. You play as a mystery writer, Natsume, who is invited to the estate of the Shijima family to help solve a mystery regarding the "Fruit of Youth." The narrative spans 100 years, taking place in 1922, 1972, and 2022.

In each era, the head of the family is murdered in a locked-room scenario, and the "Skeleton Key"—a recurring familial curse—seems to be the culprit. The story weaves a complex web of family secrets, jealousy, and inherited trauma. The time-jumping mechanic is excellent, allowing you to see how the sins of the grandfather ripple down to the grandson. If you enjoy Japanese mystery novels (like The Decagon House Murder), the plot will feel right at home.

This is a high-end FMV game. Unlike many low-budget FMV titles that feel campy, The Centennial Case features sets, lighting, and acting that rival television productions.

After finishing the main story (roughly 15-20 hours), an "Extra Chapter" unlocks. Furthermore, you can replay any scene to fill out the "Mystery Log" – a completionist’s dream where 100% deduction earns you developer commentary and behind-the-scenes videos.

The game’s 100-year timeline is not just set dressing. You play as different protagonists in each era (though always following the Shijima bloodline). The NSP version retains the "Cumulative Mystery" feature—discoveries made in the 1922 chapter directly affect which pieces are available to solve the 2022 finale.