The Psycho-Sleuth demo remains completely free to play on Steam, covering the entirety of Chapter 1 and the mystery setup of Chapter 2. Developed by PHOSEPO and published by Thermite Games and Smilegate, the game launched on November 4, 2026, offering players a unique murder mystery puzzle experience driven by bizarre cognitive disorders.
What Content Does the Psycho-Sleuth Demo Feature?
The Psycho-Sleuth demo gives players an introductory look into the mysterious world of the Logic Church's Selection. It features Chapter 1 alongside the initial mystery setup of Chapter 2. Players are introduced to the core premise where 13 individuals suffering from unique cognitive disorders are trapped in a deadly game.
What Improvements Were Made to the Demo for Full Release?
Even after the full game's release, the Psycho-Sleuth demo continues to be available, but the development team has gone back to polish it significantly. Updates to the demo and early game include enhanced cutscenes packed with hidden clues and foreshadowing, reworked pacing for cases, deduction, and combat, and additional voice acting.
How Do You Download the Psycho-Sleuth Demo on Steam?
Accessing the Psycho-Sleuth demo is a straightforward process directly through the Steam client or website. Follow these steps to start playing for free:
- Open the Steam desktop application or visit the official Steam store website in your browser.
- Search for "Psycho-Sleuth" in the search bar and click on the official store page.
- Scroll down the store page past the purchase options until you locate the download section for the demo.
- Click the download button to add the demo to your Steam library and begin installation.
- Launch the demo from your library once the installation finishes to begin playing Chapter 1.
How Does the Demo Compare to the Full Game?
| Edition / Version | Content Included | Price | Key Features |
|---|---|---|---|
| Psycho-Sleuth Demo | Chapter 1 + Chapter 2 Setup | Free | Introductory mystery, polished cutscenes, free trial |
| Base Game | Full 5 Chapters | $17.99 (Launch Discount) | Complete story, 20-hour playthrough, Debate Mode, 13 characters |
| Deluxe Edition | Base Game + Artbook + OST | $30.59 (Launch Discount) | Includes digital artbook and 50+ original BGM tracks |
What Are the System Requirements to Play?
Running the Psycho-Sleuth demo and the full game smoothly on PC requires meeting specific hardware standards. The development team outlines the minimum and recommended system specifications for Windows players.
| Specification | Minimum Requirements | Recommended Requirements |
|---|---|---|
| Operating System | Windows 7 or higher | Windows 10 or higher |
| Processor | Intel Core i3 | Intel Core i5 |
| Memory | 8 GB RAM | 16 GB RAM |
| Graphics | GeForce® GT1030 or higher | GeForce® GT1030 or higher |
| Storage Space | 10 GB available space | 12 GB available space |
FAQ
Can I transfer my save data from the demo to the full game?
Save data transfer mechanics from the demo to the full release are not explicitly supported in the game folders, so players starting the full game often choose to replay or jump straight to the Chapter 2 trial.
Is the Psycho-Sleuth demo free?
Yes, the demo remains completely free to download and play on Steam indefinitely, even after the full game's November 4, 2026 launch.
How long is the full game compared to the demo?
While the demo covers only Chapter 1 and the setup for Chapter 2, a full playthrough of all five chapters in the released game takes approximately 20 hours depending on reading speed.
Does the demo support controllers and Steam Deck?
Yes, the game features full controller support and Steam Deck compatibility, allowing you to experience the investigation on handheld devices.