The file likely contains the game data for 米砂原醫院 YONESAWARA HOSPITAL , an indie first-person exploration horror game developed by DorsalFin Studio . Game Overview

You will need a utility like WinRAR or 7-Zip to open and extract the contents.

Ensure the file size is consistent with the official build (approx. 2.9 GB on Steam) to avoid corrupted or unofficial versions. YONESAWARA HOSPITAL on Steam