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May 15, 2018
May 2018 Puzzle Periodical - Shall We Play a Game? Computer Tic-Tac-Toe
NSA Puzzle Periodical for May 2018: Computer Tic-Tac-Toe
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
May 17, 2016
May 2016 Puzzle Periodical
Check out the May Puzzle Periodical to see if you can unlock the right answer for a birthday surprise.