Koop Psycho-Sleuth PC

Community Event

For submission guidelines and details, please see the Steam announcement~

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"Kill without being caught"

Every murder is reshaped through the lens of bizarre mental distortions. Logic is twisted, the truth is warped, but only your reasoning can restore order.

A Twisted Trial of God

A mysterious cult named “Li” has seized control of the world.
Their cruel trial is simple: commit murder without being exposed, and you shall ascend to godhood.

13 individuals known as "Afflicted Ones" are summoned but burdened with rare cognitive disorders that spread their warped perceptions to others, creating murder scenes that defy reason:

• OCD forces absolute truth where no one can lie

• Spatial neglect erases evidence from the left side of reality

• Prosopagnosia blurs every face into anonymity

Can you untangle these cognitive illusions and expose the true mastermind?

Quick, Intense Debate Battles

Enter Debate Mode, where you'll rapidly judge every statement: Will you accept their words, or strike back with the right clue?

Every battle tests logic, instincts, and time management.

Murders Twisted by Cognitive Disorders

Crime scenes are not what they seem.
Witness bodies without faces, missing evidence, and spaces erased by perception.

That corpse with severed limbs—was it murder?
Or did they fall victim to their own "Alien Limb Syndrome"?

13 Cognitively Afflicted Characters

Each character bears a distinct disorder and a unique "Afflicted Power."
Understanding their minds is key to uncovering their crimes and motives.

Immersive Live2D Animations & Stunning CG

Live2D portraits breathe every emotional decision and nuance to life,
while high-quality CG sets the stage for tense interrogations and shocking punishments.

When the culprit is revealed, they will face a punishment shaped by their own cognitive disorder.

In a world consumed by distorted perceptions, can you decipher reality’s truth?