Things To DoEntertainment Sudoku – Difficult – Nov. 9 2015 Share this: Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X By Special to The Denver Post | Special to The Denver PostPUBLISHED: November 9, 2015 at 5:14 AM MST Getting your player ready...Sudoku is back. . Share this: Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X RevContent Feed