Calm Cryptogram is a relaxing substitution-cipher word puzzle built around memorable English quotations.
Each puzzle replaces every letter with a different symbol. Use patterns, short words, and your intuition to reveal the quote one letter at a time. Take your time, make a guess, and use a hint when you need a nudge.
Features:
• Curated English quote puzzles
• Fair substitution-cipher gameplay
• Helpful hints without interrupting the puzzle
• Difficulty that grows with each fresh quote
• Progress and settings stay on your device
• No account required
• Optional one-time purchase to remove ads
Calm Cryptogram keeps advertisements out of the puzzle itself.
Latest Version
Varies with deviceRequires Android
Category
Free Puzzle GameContent Rating
Everyone
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Flag as inappropriateLast updated on Aug 4, 2026
This release includes minor bug fixes and general improvements. Update to the latest version for the best experience.