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Crimsooon Sun

Achievements

"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.

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.

summary by MetaCritic
Release date:16 Jul 2026
Last update:10 Aug 2026 (on Steam, public branch)
Developers: Old Retina Museum
Publishers: Old Retina Museum
Included in Steam Family Sharing
Has AI Content Disclosure
Players
  • Current 1
  • Peak 3
Last two weeks Tracked from Steam