Upon a quick search it looks like it’s done.
Revelation 22:18–19 18For I testify unto every man that heareth the words of the prophecy of this book, If any man shall add unto these things, God shall add unto him the plagues that are written in this book:
19 And if any man shall take away from the words of the book of this prophecy, God shall take away his part out of the book of life, and out of the holy city, and from the things which are written in this book.
Deuteronomy 4:2 2 Do not add to what I command you and do not subtract from it, but keep the commands of the Lord your God that I give you.
Proverbs 30:5–6 “Every word of God is flawless; he is a shield to those who take refuge in him. Do not add to his words, or he will rebuke you and prove you a liar.
I find myself talking to my terminal out loud
You can just use a USB. Cloning your directories and copying them over is how backups work. Copying the files over as they belong accomplishes installing the game.
Cloning on Linux
Use the rsync command in Bash to clone directories.
rsync -avh /path/to/source/ /path/to/destination/
Replace /path/to/source/ with the path of your game directory. Replace /path/to/destination/ with the path to where you want to clone the directory.
On Windows
You can use PowerShell
Copy-Item -Path “C:\path\to\source*” -Destination "C:\path\to\destination" -Recurse
Replace C:\path\to\source\ with the path of your game directory. Replace C:\path\to\destination\ with the path for where you want to put the files. Probably the USB