The file appears to be a specific build of a fan-made game dedicated to the Hololive VTuber Nanashi Mumei , likely released or updated on January 17, 2022. Several developers have created projects based on her, such as Mumei no Toshi or Mumei's Memory Juggling . Proposed Feature: "The Civilization Time-Skip"
: You can install the unrar utility via the terminal ( sudo apt install unrar ) to unpack the files. Download Mumei20220117 rar
: You must then scavenge through the evolved city to find "Lost Relics" of your previous progress to unlock unique lore or buffs. How to Download and Open The file appears to be a specific build
: Use a tool like WinRAR or WinZip to extract the contents. Download Mumei20220117 rar