Reader-added tags include "Dark world", "The ruler is ruled", and "It's grown-up stuff".

I guess that means it's a homebrew ruleset or something? Or something that they're trying to get published?

AmuroNT1 said:

I guess that means it's a homebrew ruleset or something? Or something that they're trying to get published?

Could be both, a homebrew of a pre-existing system and trying to get their own fan made book put out there.