推理ボーイ

Contains ads
4.3
1.01K reviews
50K+
Downloads
Content rating
Rated for 3+
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this game

Make a deduction with a full-scale case book!
Read the text carefully and point out the strange parts!


The uneven combination is a big success in the reasoning research department! ??
By the way, the two of us got close to each other ... (?)


Will your reasoning succeed?



▼ Introducing some case books

"Broken heart and suicide note left behind"
A man who committed suicide with a pistol because of a broken heart. The message left in the suicide note. However, there is a contradiction in the corpse ...

"Department store indiscriminate murder plan"
A man who plans an indiscriminate murder because of a gambling failure. What is the plan of the horror and a certain crack ...

"The tragedy of the violinist"
The death of a promising young violinist. The testimony of this incident and its first discoverer in a music classroom in a residential area. If you listen carefully to the contents ...?

"Junior high school student in love with a stranger"
A junior high school boy came to the detective agency. He seems to have confessed to the girl, but he was given a piece of paper with a certain code written on it. Can you break the code?

"Gluttony beating case"
A school's gluttony club, the director of which has beaten a first grader. Before the incident, the director had issued a command in the first grade. Why was the director angry?

"Prophecy of Dead Grandpa"
My grandfather died in the hospital room five years ago. I found a prophecy now. I was laughing at the messed up content, but a certain word changed the situation completely ...
Updated on
Feb 26, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.3
907 reviews

What's new

システムのアップデートをしました。