Making and Breaking Codes

From hospital and police codes to Cockney slang, spoken codes can be both helpful and entertaining. Learn the history behind some of today's most useful and popular codes, and then have fun creating a language all your own.

Throughout history, army generals, spies, and even scientists have guarded information through secret codes. Find out how they did it and learn how to create your own secret codes. You and your friends can share secrets that will leave everyone else scratching their heads.

Coded information may look confusing, but most codes provide hints that can help you break them. Learn how to find and interpret code patterns and repetitions. With your new super-sleuthing skills, you'll be cracking codes in no time!