I slugged through the tutorial. I'm not a fan of how they do a full multi-page description of everything, and THEN unlock stuff to do step-by-step instructions. New people are going to be put off by all the text.
I can't play the Halloween content, b̶e̶c̶a̶u̶s̶e̶ t̶h̶e̶ 'c̶r̶e̶a̶t̶e̶ s̶l̶o̶t̶' f̶u̶n̶c̶t̶i̶o̶n̶ i̶s̶ b̶u̶g̶g̶e̶d̶ a̶n̶d̶ d̶o̶e̶s̶n̶'t̶ d̶o̶ a̶n̶y̶t̶h̶i̶n̶g̶. Okay, turned out I needed to add a name at the top for it to work. They could have it generate a default name, though.