推理ボーイ - 犯人は誰だ Android
推理ボーイ - 犯人は誰だ is #89 in Games › Strategy Free on Google Play in Japan and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperGOLDEN DOG, K.K.
CategoryGames › Strategy
PriceFree
Released
Installs100k+
Rating–
Updated
Content ratingEveryone
Best rank now
#89
Games › Strategy FreeMeasured
推理ボーイ - 犯人は誰だ on Google Play
App details
App ID
co.goldendog.SuiriBoy
Publisher
GOLDEN DOG, K.K.
Publisher country
Japan
Content rating
Everyone
推理ボーイ - 犯人は誰だ downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How 推理ボーイ - 犯人は誰だ makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 10 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | Games › StrategyFree | #89 |
Apps near 推理ボーイ - 犯人は誰だ on the chart
Games › Strategy Free, around #89.
About 推理ボーイ - 犯人は誰だ
"Hold on. There's a contradiction in your testimony."
A series of quirky cases are brought to the Mystery Research Club.
Read the testimonies carefully, uncover the contradictions, and uncover the truth.
Your partner is the somewhat incompetent club president.
As you solve the cases, your relationship will grow closer...?
A short mystery game that you can play quickly. Perfect for when you want to use your brain.
▼A few case files are introduced:
"Heartbreak and the Last Will"
A man commits suicide with a handgun after a broken heart. A message is left in his will. However, there is a contradiction in the body...
"The Department Store Indiscriminate Murder Plan"
A man plans an indiscriminate murder after losing at gambling. What is the content of his terrifying plan, and what is the flaw...?
"The Violinist's Tragedy"
The death of a promising young violinist. This incident occurred in a music classroom in a residential area, and the testimony of the first person to discover the body. If you listen carefully to what they say...?
"The Middle Schooler Who Fell in Love with an Eccentric Girl"
A middle school boy came to the detective agency. He apparently confessed his feelings to a girl, but she handed him a piece of paper with a coded message. Can you decipher the code?
"The Eating Club Assault Incident"
At a certain school, the head of the eating club assaulted a first-year student. Before the incident, the club president had given the student a command. Why was the president so enraged...?
"Grandpa's Book of Prophecies"
Five years ago, a grandfather died in his hospital room. Now, a book of prophecies has been found. The contents are absurd, but a certain word changes everything...
A series of quirky cases are brought to the Mystery Research Club.
Read the testimonies carefully, uncover the contradictions, and uncover the truth.
Your partner is the somewhat incompetent club president.
As you solve the cases, your relationship will grow closer...?
A short mystery game that you can play quickly. Perfect for when you want to use your brain.
▼A few case files are introduced:
"Heartbreak and the Last Will"
A man commits suicide with a handgun after a broken heart. A message is left in his will. However, there is a contradiction in the body...
"The Department Store Indiscriminate Murder Plan"
A man plans an indiscriminate murder after losing at gambling. What is the content of his terrifying plan, and what is the flaw...?
"The Violinist's Tragedy"
The death of a promising young violinist. This incident occurred in a music classroom in a residential area, and the testimony of the first person to discover the body. If you listen carefully to what they say...?
"The Middle Schooler Who Fell in Love with an Eccentric Girl"
A middle school boy came to the detective agency. He apparently confessed his feelings to a girl, but she handed him a piece of paper with a coded message. Can you decipher the code?
"The Eating Club Assault Incident"
At a certain school, the head of the eating club assaulted a first-year student. Before the incident, the club president had given the student a command. Why was the president so enraged...?
"Grandpa's Book of Prophecies"
Five years ago, a grandfather died in his hospital room. Now, a book of prophecies has been found. The contents are absurd, but a certain word changes everything...
What's new in 2.4.3
軽微な改善をしました！引き続き推理ボーイをお楽しみください。