NSA CryptoChallenge

Find a pattern and crack the code with NSA CryptoChallenge.

Find a pattern and crack the code. The National Security Agency’s NSA CryptoChallenge is all fun and games, but NSA’s mission is serious and vital to the nation’s safety.

NSA needs the best and brightest problem solvers to protect U.S. information systems and produce foreign intelligence.

Visit NSA.gov/Careers to learn more about NSA and how you can contribute to this important work.

© 2014 National Security Agency

What's New in the Latest Version 1.3

* Women in STEM

Minor bug fixes.