User blog comment:Gamermadness/Your Thoughts/@comment-6093109-20150308235024

There is a difference between "completed" and "finished". I found something that distinguishes the two meanings: If you marry the right person, you're complete, and if you marry the wrong person, then you're finished. I think the categories were made for whether or not the series was "complete (everything they wanted to do was done) or finished (they did most of what they did).

If anything, though, I'd say "completed series" should be deleted, since the Creatures usually don't fully complete a game/series entirely.