Psycho-Sleuth Guide
Independent Fan GuideA mystery visual novel where OCD, spatial neglect and prosopagnosia rewrite the crime scene itself - and the only way to solve a murder is to distrust what you can see.
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Start Here
Your Way Into the Cathedral Trial
Read the Disorder, Not the Testimony
A witness is only as reliable as the condition warping them. Identify whose disorder is active in a room before deciding whether a statement is a lie or an impossibility.
Treat Debate Mode as a Clock
Accept or refute in real time and back it with the right clue. Hesitating loses the exchange, so commit on the first contradiction instead of hunting for a perfect one.
Notice What Is Missing
Spatial neglect deletes one half of a room and prosopagnosia deletes faces. If the scene looks incomplete, that is the puzzle rather than a rendering problem.
Track Motive, Not Alibi
When perception cannot be trusted, who benefits from a distorted scene is a stronger thread than who claims to have been where.
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What Is Psycho-Sleuth?
Psycho-Sleuth is a psychological mystery visual novel from PHOSEPO, the five-person team behind Rail of Mobius, published by Thermite Games and Smilegate STOVE. It launched for PC on November 5, 2026 across Steam, STOVE and the Epic Games Store.
A cult called Li has taken the world and set a simple trial: thirteen people with rare cognitive disorders are sealed in a gothic cathedral, and whoever kills without being caught ascends to godhood. The disorders are contagious and mechanically real, so investigation means learning each condition well enough to know what it hides, then arguing the case in Debate Mode.
Explore All GuidesDeveloper
PHOSEPO
Publisher
Thermite Games, Smilegate STOVE
Platforms
Steam, STOVE, Epic Games Store
Genre
Mystery visual novel
Release
November 5, 2026
Price
USD 19.99
Metacritic
81
Psycho-Sleuth Guide Sections
Jump straight to the eight sections covering the beginner loop, launch details, platform answers, review coverage, the cast, the disorders, Debate Mode and the story.
Psycho Sleuth Guide
How the trial works, the order to read a crime scene in when perception is compromised, and the habits that keep a debate from collapsing.
Psycho Sleuth Release and Demo
The launch date as the storefront states it, what the demo covers, and which edition gets you the soundtrack and artbook.
Psycho Sleuth Platforms
Three storefronts on day one, no console version, and why STOVE is on the list at all.
Psycho Sleuth Review Roundup
The one aggregate score that exists today, what the demo did at showcases, and how the game is being compared.
Psycho Sleuth Characters
Thirteen Afflicted Ones, one killer, and how to track motive when half the cast cannot perceive your evidence.
Psycho Sleuth Disorders
The three worked examples the developers have shown, and what each one removes from a crime scene.
Psycho Sleuth Debate Mode
The accept-or-refute loop explained: why hesitation loses exchanges and how to pick the one clue that ends an argument.
Psycho Sleuth Story
The cult, the cathedral and the rule that makes the trial work, plus how much of the script the demo shows.
Frequently Asked Questions
Quick answers to the questions people ask most about Psycho-Sleuth.
Stop Trusting the First Statement
Work through the guide in order: learn each disorder, then the Debate Mode rhythm, then the clues that only exist because of a condition - and only then try to name the killer.