USA Today provides one of the most popular crosswords puzzles available. USA Today has the highest circulation of any newspaper in the United States, and USA Today crossword puzzles are free. They can be played online and printed from online.
The puzzle is published in newsprint as well as online. The USA Today newspaper is published from Monday through Friday, and the USA Today crossword puzzle is available online Monday through Saturday. The Saturday puzzle is available online even though the paper is not published on Saturday.
Archived puzzles are available online and are also free. USA Today once provided a discussion forum for it's crossword puzzles, but that forum was taken down in 2012.