Lobbies · prototype · v0.1 · made for gamers

Releases December 31, 2026
216
days
11
hours
37
min
11
sec
Thursday, December 31, 2026
Psycho-Sleuth is a psychological mystery where cognitive disorders twist the logic of murder. 13 afflicted participants — each bound by strange rules like “no lying,” “no left side,” or “no faces” — are trapped in a deadly game where the sickness spreads and truth itself becomes unreliable.
The Psycho-Sleuth Lobby
Psycho-Sleuth Dev Log
We haven't been sharing as many updates lately because Psycho-Sleuth has entered the most critical stretch of development. The story is made up of five chapters, and we’re now pushing hard on Chapter 4. It's a lonely and difficult stage. At this point, most of the newly written scenes and beautiful…
🎉 New Limited-Time Side Story Coming Soon!
To celebrate the upcoming Steam Mystery Fest, we’re releasing a new limited-time extra episode — a short story about Lyle’s mysterious childhood drawing.This is a standalone story, separate from the main save file. As long as you've played the beginning of Chapter 2 and met the core characters, you…
Psycho-Sleuth Demo Update: Combat & Localization Improvements
Hey Detectives!Thanks for playing the demo and sharing your feedback. Based on your comments about combat feel and responsiveness, we've pushed a major update. Launch Steam to update automatically.🛠 Combat System ImprovementsWe've made two key changes to make Debate sequences faster and more respo…
via Steam