My understanding is that on mastodon you can see the Lemmy communities sort of like you can see any other profile. Then every post on that is put out like a toot is. Guessing from the @ in the title of this post that if someone @'s the community on mastodon is shows up as a post on this? This could be completely wrong though

I have 264k from mostly from purchasing a Index. Would love to have more stuff to get with it.

At least 3 of the "clues" were actually things the other players came up with as jokes and you were just remembering wrong