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Overview

The game takes place inside a decaying, multi-floor abandoned building filled with dark corridors, strange rooms, and hostile creatures. The focus is on slow exploration, environmental tension, and navigating the building’s floors while encountering enemies and scripted events.

Gameplay Features

Atmospheric Exploration: Wander through eerie, detailed environments designed to build tension and immersion.
Hostile Encounters: Face various creatures with unique behaviors and high-quality animations.
Progressive Content: Each update adds new rooms, floors, enemies, and events.
Demo Room System: Easy access to specific scenes and events for testing.

Story & Setting

Also known as Mystery of the Abandoned Building (Nazo no Hai Biru) or aliases like White Mansion / Shiro no Yakata. Players explore the mysterious ruins, uncovering its secrets while dealing with dangerous inhabitants.

Technical Details

High-resolution assets, smooth animations, and an engaging mix of exploration, horror, and adult interactions.

Mysterious Abandoned Building - Update Log / Devlog