AT THE CASUAL DESK
Cipher Postcard
Decode a workshop postcard using a consistent letter substitution.
Substitution cipher
One clear challenge.
Choose a cipher letter, then the matching plain letter. The same cipher letter always uses the same plain letter. The first two mappings are given. Decode FOLD THE WORLD and press Check.
No Play Credits or stakes. Your best and completed challenges are saved on this device when storage is available.
Before you play
The goal and next move appear above the field. Direction, action and settings buttons sit below the field. Start when you are ready; Pause stops time and movement. Restart creates a fresh attempt. Preview begins automatically and does not save a result.
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