Yep, it’s automatically collected by the state from your paycheck and given to the church that’s on your file.
If you want them not to do that, you have to go to the registry office and have them update your file to “Konfessionslos” which often comes with fee.
The information that you’ve left is also given to the pastor in your region for some reason who will try to convince you to come back…
Neverwinter Nights (the first one) and Heroes of Might and Magic (3 and 4). They’re just so comfortable for me to play so I just start them up when I’m to stressed out to play anything new.