The main anime games have a:
- main game package (one big zip)
- language packages (also big zips)
- hdiff packages for the main and language packages
- live updates (aka hot patches)
If you wish bring back Nil** banner (in version 3.1) - you can download live-update and put it to the game folder and get happiness
- Install nodejs (search how to install on Windows, Linux, MacOS, etc)
- Change "mainUrl" and "versions" in the loader.js
- Run terminal in the project folder (mouse right-click and run terminal)
- Run "npm install"
- Run "node loader.js"
- Data will gradually be loaded into the "downloads" folder in the same directory