39D is a linear sci-fi horror visual novel. Once you cross the line, there’s only one way to go: down.

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Planned Release Date: Q4 2026

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About This Game

While you sleep, something is quietly corrupting your world.
While you eat, somewhere far away, something is searching for a way in.
While you read this, something is reading you.

Doors are meant to keep danger out – but even a locked door may not be enough to keep you safe. Deep below, something is already searching for the right key. Some places are best left forgotten. Test Site 39D is one of them. Once used for classified military research, the facility was abandoned after a mysterious incident. All that remains are fragments of documents and conflicting rumors.

After his brother’s mysterious death, Misha and his best friend head to 39D – an abandoned military test site. The official account raises more questions than it answers, and their only hope of uncovering the truth lies behind the concrete walls of the deserted complex. But what awaits them underground is far more terrifying than anything they could have imagined.

39D is a black-and-white sci-fi psychological horror visual novel – a story of loss, hope, and secrets best left undiscovered.

✔️ A dark story filled with unexpected twists.

✔️ Striking black-and-white artwork.

✔️ An oppressive atmosphere of isolation.

✔️ An unsettling soundtrack and chilling sound design.

Warning! This game contains scenes of physical and psychological violence, as well as strong language. Please proceed with caution and take care of yourself!

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

AI was used for coding and to refine the artwork to match the game’s overall style.

Mature Content Description

The developers describe the content like this:

This game contains strong language, disturbing imagery, a depiction of a dead body, and textual descriptions of blood and violence. The story deals with death, grief, psychological trauma, and suicide, and includes a character injuring themselves in distress.

System Requirements

    Minimum:
    • OS: Windows 10 21H1 (64-bit) or newer
    • Processor: Dual-core 2.0 GHz processor (64-bit, SSE2)
    • Memory: 4 GB RAM
    • Graphics: DirectX 11 compatible graphics card
    • DirectX: Version 11
    • Storage: 1 GB available space
    • Additional Notes: Requires a 64-bit processor and operating system. Mouse and keyboard. System requirements are provisional.
    Recommended:
    • OS: Windows 10 21H1 / Windows 11 (64-bit)
    • Processor: Quad-core 2.5 GHz processor (64-bit, SSE2)
    • Memory: 8 GB RAM
    • Graphics: DirectX 11 compatible graphics card with 1 GB VRAM
    • DirectX: Version 11
    • Storage: 1 GB available space
    • Additional Notes: Requires a 64-bit processor and operating system. Mouse and keyboard. System requirements are provisional.