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Cryptogram

Alan Turing

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Play Einstein Cryptogram — ThePuzzleLabs

Try this Einstein Cryptogram puzzle on ThePuzzleLabs.

00:00
Classic
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How to Play Cryptogram

Each letter in the encoded message has been replaced by a different letter. Your goal is to figure out the original quote by finding the correct substitution for each letter.

  • Click an encoded letter in the text, then press a key (A-Z) to assign your guess.
  • Pre-revealed letters (highlighted in green) are already solved — use them as anchor points.
  • Use Frequency Analysis to compare letter frequencies in the cipher with standard English.
  • Look for common short words like THE, AND, IS, A.
  • Single-letter words are almost always A or I.
  • Conflicts (same decoded letter used twice) appear in yellow.
  • Errors (incorrect guesses) appear in red when error highlighting is on.

Keyboard: Arrow keys to navigate • A-Z to assign • Backspace to erase • U to undo • H for hint

Solve This Puzzle?

This will fill in the complete solution. The puzzle will be marked as “solved with reveal” rather than self-solved.

About Alan Turing Cryptogram Puzzles

Named after the father of codebreaking, Alan Turing cryptograms are the longest, hardest cipher puzzles on the platform. The passages run 25+ words. The letter distributions sometimes deviate from standard English patterns because the source texts use uncommon vocabulary or archaic phrasing.

The challenge here is sustained concentration. A single wrong mapping in an Alan Turing-length text contaminates dozens of positions. Progress feels slow at first—then accelerates once you lock in 6 or 7 high-frequency letters. That inflection point is what separates a frustrating experience from a satisfying one.

Timed trial gives you 90 seconds. That is deliberately extreme. In challenge mode, hints are disabled entirely. The Alan Turing difficulty exists for solvers who want to prove something to themselves.