Planned Release Date: October 2026

About This Game

Overview

Labyrinth of the Crystal Princess is a single-player horror adventure game.

Trapped in an underground labyrinth crawling with the Unseen,

experience a thrilling story uncovering the dark truth of a top-secret project,

while solving tense puzzles amid threats you can't see.

Story

An incident at the laboratory causes an explosion that casts young Hiyo down into an underground labyrinth.

As she prepares herself to escape, something horrifying, yet invisible, crawls toward her...

Features

Simple controls: Basic movement, and an action button to activate your detection ability.

Labyrinth stages: Puzzle sections where you must detect the Unseen to escape without being caught.

The Unseen: Numerous enemies wander the labyrinths, each with unique characteristics such as moving the walls of the maze.

Facility exploration: Find information about the Unseen and diary entries that reveal the lab's dark secrets.

Multiple endings: Arrive at three different endings depending on your dialog choices and actions under duress.

Headphones and a controller are recommended for a more immersive experience.

* A final game trailer will be added once ready.

Characters

Hiyo

An innocent girl living in a room in the lab who has a crystal growing from her head. Highly inquisitive, she likes reading books about, and dressing up as, occult things like ghosts and aliens.

Kafa

A recently-hired guard who ends up accompanying Hiyo. Cynical and always apathetic, he's distrustful and quick to cast doubt on anything he's told.

Spera

Hiyo's mother, who lives with and looks after her. A clean freak who's always carrying disinfecting wet wipes.

Dean

A vaccine researcher at the lab. Friends with Spera, he's a cheerful person liked by all for livening things up and handing out treats to coworkers.

Recommended for those who like the following:

- Horror adventure games that keep you wondering where the story will go next

- Horror that focuses on feelings of tension and unease

- Figuring out hidden truths from logs and diaries

- Horror you can enjoy either by yourself or playing on stream

- Harrowing puzzles with a unique spin

- A game you can play at a steady pace with simple controls

- Human drama and characters fighting against cruel fates

- Multi-ending games where your decisions change the outcome

Guidelines for Playthrough Videos and Streams

This is a horror experience well-suited for streaming, where you can enjoy sudden yelps of surprise and tense moments.

Let's Play videos and streams are welcome, and a streamer mode that accounts for monetization is included.

- No advance notice or approval request is required, whether for individuals or corporations.

- Of the three endings, you are allowed to publicly show as far as reaching only one of them.

- Posting playthrough videos without a personal element, i.e. raw uncommentated gameplay footage, is not allowed.

- Please avoid putting spoilers in titles, thumbnails, or descriptions.

- Please include the title "Labyrinth of the Crystal Princess" in your title and/or description, as well as the URL of the Steam store page if possible.

- Regarding monetization and the ending song, click the button below.

Fanwork Guidelines

Welcomed

- Posting fanart, comics, animations, stories, analysis, cosplay, hand-drawn videos, etc.

- Distributing small-scale fanbooks or fan merch as an individual or circle

Forbidden

- Redistribution of official images, logos, game screens, music, sounds, or other materials, or using them for sold products or merchandise

- Corporate uses, mass-production, sustained or large-scale commercial uses

- Using official materials for generative AI training, incremental learning, or for creation/distribution of a LoRA

- Selling fanworks created using generative AI in any way

Other Notes

- In titles, thumbnails, the start of a description or post, etcetera, please refrain for spoiling anything involving core aspects of the story, late-game developments, the endings, or story reveals.

- Works or distributed goods deemed contrary to these guidelines or otherwise inappropriate may be requested to be taken down.

- These guidelines may change without prior notice.

Mature Content Description

The developers describe the content like this:

This work contains depictions of suicide, human experimentation, and dismemberment; however, these are primarily conveyed through text, and the game does not focus on realistic depictions of bloodshed or gore. It is not intended to glorify or condone suicide, violence, or human experimentation.