@Dan, how about not drawing a line and not even accepting any of it. If, as you say, "There is no clear way to figure out if/when people have set up their plays to get a high score." Then there should be no record.
Highest Single Move "Words With Friends" Score
@Dan, how about not drawing a line and not even accepting any of it. If, as you say, "There is no clear way to figure out if/when people have set up their plays to get a high score." Then there should be no record.