Private servers run on entirely separate networks. Your progress on a private server will not impact your official Supercell account, and you cannot transfer your official progress over to a private server.
While Supercell has done wonders for Clash over the last decade, a dedicated community argues that rolling back the clock on a private server offers a superior experience. Here is why.
(e.g., based on 2015-2016 versions)
: Connect with hardcore, like-minded veterans who prefer old-school mechanics over modern updates.
This is the biggest "not better" factor. To play most private servers, you must:
The old user interface was cleaner, simpler, and less cluttered.