Crimsooon Sun
Not in any tracked top chart right now.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperKyohei Yamada
CategoryGames
Price260 JPY
Released
Rating★ 4.4 (8)
Version2.0.9
Age rating12+
First seen by us
24 Oct 2026
Rating
4.4 ★
8 ratings
Measured
Crimsooon Sun on the App Store
App details
App ID
6739424746
Publisher
Kyohei Yamada
On the store since
Dec 2024
1 year on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
5 content notes below
Languages
1
EN
Size
260 MB
Also listed in
Adventure, Casual
Content notesInfrequent/Mild Realistic ViolenceInfrequent/Mild Cartoon or Fantasy ViolenceInfrequent/Mild Profanity or Crude HumorInfrequent/Mild Alcohol, Tobacco, or Drug Use or ReferencesInfrequent/Mild Mature/Suggestive Themes
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.4 ★
8 ratings
Measured
Ratings
8
Measured
About Crimsooon Sun
No Choices But Deduction.
No Game Over.
No Multiple Endings.
Your choices will change neither the story nor the movement of the celestial bodies.
The only thing you can do is pull the trigger—and deduce.
"Crimsooon Sun" is a short mystery adventure designed with a singular concept: "A mystery game you can play with the same level of focus as reading a detective novel."
The story takes place in Shirase, a regional city in the Tohoku region. It begins with the return of Mio Fujimaru, a university student who had been missing for nearly six months. She remains silent about her disappearance. However, a video exhibited at the university festival reveals a chilling sight: Misao being pushed down a wedding aisle in a wheelchair by a mysterious "the Faceless Man," while "the Dual Suns" are reflected in the window.
This is a mystery "novel" adventure. When reading a detective novel, one doesn't always have a perfect, logical solution like the detective in the story. Often, we rely on vague intuitions:
"Something about this statement feels like a lie."
"This person seems suspicious."
"This description might be related to a trick."
Such intuitive reasoning often clashes with traditional game systems that require picking the "correct" choice to proceed.
Inspired by "Mikagura Shojo Tanteidan" (Mikagura Girls' Detective Agency), a classic title released for the PlayStation by Human Entertainment, this game cuts away all unnecessary choices and branching paths. Instead, you "pull the trigger" whenever something piques your interest. With the 26 bullets of information you’ve gathered, your only task is to deduce the truth.
Defy the sun with twenty-six bullets.
Even if the revolution of the heavenly spheres cannot be stopped.
No Game Over.
No Multiple Endings.
Your choices will change neither the story nor the movement of the celestial bodies.
The only thing you can do is pull the trigger—and deduce.
"Crimsooon Sun" is a short mystery adventure designed with a singular concept: "A mystery game you can play with the same level of focus as reading a detective novel."
The story takes place in Shirase, a regional city in the Tohoku region. It begins with the return of Mio Fujimaru, a university student who had been missing for nearly six months. She remains silent about her disappearance. However, a video exhibited at the university festival reveals a chilling sight: Misao being pushed down a wedding aisle in a wheelchair by a mysterious "the Faceless Man," while "the Dual Suns" are reflected in the window.
This is a mystery "novel" adventure. When reading a detective novel, one doesn't always have a perfect, logical solution like the detective in the story. Often, we rely on vague intuitions:
"Something about this statement feels like a lie."
"This person seems suspicious."
"This description might be related to a trick."
Such intuitive reasoning often clashes with traditional game systems that require picking the "correct" choice to proceed.
Inspired by "Mikagura Shojo Tanteidan" (Mikagura Girls' Detective Agency), a classic title released for the PlayStation by Human Entertainment, this game cuts away all unnecessary choices and branching paths. Instead, you "pull the trigger" whenever something piques your interest. With the 26 bullets of information you’ve gathered, your only task is to deduce the truth.
Defy the sun with twenty-six bullets.
Even if the revolution of the heavenly spheres cannot be stopped.
Latest updates
2.0.9
v2.0.9
-Fixed typos and improved wording.