Quiz · Signs, Symbols & Codes
Dots and dashes, raised bumps and secret ciphers: decode real Morse messages and Braille words, then explore the codes that changed history, from Caesar's cipher to the Enigma machine and Navajo code talkers.
Road signs, everyday symbols and their meanings, and the codes from Morse and Braille to Enigma.
Before you start
You have 30 seconds for each question. When time runs out, the question counts as wrong.
Your first choice is the one that counts. It is checked straight away, with an explanation where there is one.
At the end you see your score and can go back through every question and its answer.
XP scales with your score. Replays earn XP only when you beat your previous best.
From players
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