Taiwanese indie studio PHOSEPO Inc. has announced that its psychological detective adventure Psycho-Sleuth is now featured in Steam Next Fest (October 13–20, PST), with a fully playable demo available worldwide.
Psycho-Sleuth combines classic deduction gameplay with the concept of “cognitive distortion.” Each of the 13 “Afflicted” characters suffers from a unique mental disorder that literally changes what players can see, hear, and deduce.
When a witness cannot perceive the left side of the world—or cannot recognize faces—how can you still uncover the truth?
🧠 Key Features
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A murder mystery built on psychological and cognitive disorders
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Debate battles that reshape perception and expose contradictions
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2D hand-drawn animations and cinematic presentation
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Full localization: Traditional & Simplified Chinese, English, and Japanese
🎮 Free Demo Available Now
Steam: https://store.steampowered.com/app/3432860/_PsychoSleuth
Press Kit & Assets:
Logos, key art, and trailers available here: https://drive.google.com/drive/folders/1yXfrXYcghRc-o3PbEQotW0L0g7HFDVVZ?usp=drive_link
🎥 Press-only trailer
▶ https://drive.google.com/file/d/1Tlvm4_60lT1Opgk4K7iydwVDmNP_QMQM/view?usp=drive_link (Duration: 1m15s, MP4)
Developer: PHOSEPO Inc.
Genre: Mystery / Adventure / Visual Novel
Planned Release: Summer 2026
Contact: phosepo@gmail.com