This one is from the archive. Play it for practice — past puzzles never count toward a streak. Today’s cipher is here.
3 guesses to crack the cipher. One cipher each day.
keyword QUARRY
DN EF IK MS UO OW IY
| Q | U | A | R | Y |
| B | C | D | E | F |
| G | H | I | K | L |
| M | N | O | P | S |
| T | V | W | X | Z |
Letters travel in pairs across a 5×5 square. Same row, step right; same column, step down; otherwise swap corners. I and J share a cell.
Learn the method: how to solve playfair
CODE HISPANIOLA
That’s a real code. Use HISPANIOLA at checkout on this month’s hunt.
This is the kind of cipher that turns up inside real treasure hunts, where the encoding is a layer rather than the whole puzzle. This one is Playfair. The key: keyword QUARRY. Letters travel in pairs across a 5×5 square. Same row, step right; same column, step down; otherwise swap corners. I and J share a cell. Apply the key to the first three letters and they resolve to C O D. The answer was CODE HISPANIOLA.
Next time, check your work with the Playfair Cipher.
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