Planned Release Date: Nov 5, 2026

About This Game

Keep climbing. You still do not arrive.

Mugen Kaidan: Danchi is a short first-person psychological horror game about climbing the stairwell of an aging Japanese apartment complex.

You leave the fifth floor at dusk and head upward, only to find the floor numbers returning to where you began. A gap in a door. Something beyond the window. Footsteps that do not match your own. Observe what changes inside the repeating stairwell, follow the clues that remain grounded in reality, and uncover the code leading to the rooftop.

There is no combat and no game over caused by a chase. The experience is built around changes in the environment, spatial sound, and contradictions in memory rather than constant jump scares.

Features

• A looping apartment stairwell spanning the 2nd through 10th floors
  
• One space transformed by dusk, night, and a total blackout
  
• Environmental horror told through doors, windows, and spatial audio
  
• Five endings, with additional routes opening after the main scenario
  
• Japanese and English text
  
• Manual saving and automatic progress records
  
• Separate mouse and keyboard look sensitivity, volume, display mode, VSync, and crosshair settings

AI Generated Content Disclosure

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

Pre-generated AI-assisted imagery is used for two in-game environment textures (an aged wall and a steel door surface) and for source artwork used in Steam store capsules. All outputs were reviewed and edited by the developer. The game does not generate content during play and does not connect to an external AI service.

Mature Content Description

The developers describe the content like this:

This game contains references to drug overdose, suicide, child neglect, a crying child, psychological distress, and implied falling. It does not depict named drugs, dosage instructions, corpses, or graphic gore.