Yes, there are a couple of websites that categorise and provide searching for communities across the Lemmyverse.

https://www.quippd.com/writing/2023/06/15/unofficial-subreddit-migration-list-lemmy-kbin-etc.html

https://sub.rehab/

https://browse.feddit.de/

There’s a bunch more too.

The good news is that multiboxing got heavily nerfed a few years ago making input broadcasting against the terms of service.

Now wheather the game itself is in a great place or not is another story.

Satisfactory.

Seems neat so far.