WiiU:BackupSavedGames

Use wupclient.py to backup your games

Download wupclient.py from https://gist.github.com/GaryOderNichts/409672b1bd5627b9dc506fe0f812ec9e

Edit the ip address to connect to your WiiU that's running recovery menu.

Run python -i wupclient.py

Once connected, run the command

w.dldir('/vol/storage_mlc01/usr/save')

wait...and wait...it'll take a while.