- NSA CryptoChallenge 1.6
- Authorize : Freeware
- Size : 15.1M
- Publisher : CACI-CMS Information Systems, Inc.
- OS Support : Compatible with iPhone, iPod touch, and iPad.Requires iOS 4.0 or later.
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Developed by the National Security Agency, NSA CryptoChallenge is a game that tests your pattern recognition skills through a series of cryptographs. Your mission is to decipher encrypted quotes, fact...