Skip Site Navigation
HomeNews & FeaturesPuzzlesNSA's Puzzle Periodical

NSA's Puzzle Periodical

Intelligence. It's the ability to think abstractly. Challenge the unknown. Solve the impossible. NSA employees work on some of the world's most demanding and exhilarating high-tech engineering challenges. Applying complex algorithms and expressing difficult cryptographic problems in terms of mathematics is part of the work NSA employees do every day.

Try your hand at this month's problem written by a member of our expert workforce.

Dec. 19, 2017

December 2017 Puzzle Periodical - Reindeer Games!

December 2017 Puzzle Periodical - Reindeer Games; Puzzle created by Benjamin E., NSA Mathematician

Nov. 21, 2017

November 2017 Puzzle Periodical - Twisted Sequences

November 2017 Puzzle Periodical - Twisted Sequences; Puzzle created by Wendell W., NSA Mathematician

Oct. 17, 2017

October 2017 Puzzle Periodical - Jumping Kangaroos

October 2017 Puzzle Periodical - Jumping Kangaroos; Puzzle created by David B., NSA Mathematician

Sept. 19, 2017

September 2017 Puzzle Periodical - Arabella's Spider Web

September 2017 Puzzle Periodical - Arabella's Spider Web; Puzzle created by Katrina J., NSA Mathematician

Aug. 15, 2017

August 2017 Puzzle Periodical - Solar Scramble

April 2017 Puzzle Periodical - What is the Connection?; Puzzle created by Wendell W., NSA Mathematician

July 18, 2017

July 2017 Puzzle Periodical - Weekend Volunteering

July 2017 Puzzle Periodical - Solve the Connection; Puzzle created by Chris B., NSA Capability Development Analyst

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

April 18, 2017

April 2017 Puzzle Periodical - What is the Connection?

April 2017 Puzzle Periodical - What is the Connection?; Puzzle created by Wendell W., NSA Mathematician

March 21, 2017

March 2017 Puzzle Periodical - Lucky Seven

March 2017 Puzzle Periodical - Lucky Seven; Puzzle created by David G., NSA Mathematician