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Feb. 20, 2018
February 2018 Puzzle Periodical - A Plethora of Penguins
February 2018 Puzzle Periodical; Puzzle created by David B., NSA Mathematician
Oct. 17, 2017
October 2017 Puzzle Periodical - Jumping Kangaroos
October 2017 Puzzle Periodical - Jumping Kangaroos; Puzzle created by David B., NSA Mathematician
June 20, 2017
June 2017 Puzzle Periodical - Solve the Connection
June 2017 Puzzle Periodical - Solve the Connection; Puzzle created by Wendell W., NSA Mathematician
May 18, 2017
May 2017 Puzzle Periodical - A Plate of 1,000 Cookies
May 2017 Puzzle Periodical - A Plate of 1,000 Cookies; Puzzle created by David B., NSA Mathematician