Oct. 16, 2018
October 2018 Puzzle Periodical - Connection Inspection
NSA Puzzle Periodical for October 2018: Connection Inspection
Oct. 17, 2017
October 2017 Puzzle Periodical - Jumping Kangaroos
October 2017 Puzzle Periodical - Jumping Kangaroos; Puzzle created by David B., NSA Mathematician
Oct. 18, 2016
October Puzzle Periodical - CyberChance
NSA's Puzzle Periodical
Oct. 2, 2015
October 2015 Puzzle Periodical
October 2015 Puzzle Periodical; Puzzle created by Ben E., Applied Research Mathematician, NSA