Honestly, I think Namco Bandai understands that the draw for this franchise is its difficulty and replay value, so I doubt they put any real pressure on From to make significant changes.
Each letter is also given a point value based on difficulty, and some even award extra points by doubling or tripling the letter or overall word score.
"Hoarders have great difficulty making decisions, especially around the value of their possessions, " says Michael Jenike, an OCD expert and professor of psychiatry at Harvard, who was not associated with the research.