Cipher Grid vs Cipher Attack

A new secret message to crack. Every single day. Cipher Grid is a daily puzzle game where you decode real encrypted messages using actual historical ciphers. Each puzzle is a quote hidden behind a different code. Your job is to figure out the letters and reveal it. DAILY PUZZLE One new challenge every day. Each day uses a different cipher and difficulty, so no two days feel the same. 18 CIPHERS TO DECODE Caesar. Atbash. ROT13. Morse. Vigenère. Playfair. Semaphore. Maritime Flags. And more. Each one is a real encryption method used throughout history — from ancient scribes to World War spies to modern radio operators. LEARN AS YOU PLAY Built-in lessons explain every cipher from the ground up. No prior knowledge needed. Start as a complete beginner and work your way to mastering techniques used by real cryptographers. ENCRYPT AND DECRYPT A full toolkit covering 22 ciphers, free for everyone. Includes a working Enigma I simulator with configurable rotors, reflector, ring settings, and plugboard, plus the Hill matrix cipher. ZODIAC CHALLENGE A separate set of hand-picked puzzles to solve at your own pace. Free. PRO Unlock unlimited practice puzzles and Secure Message — public-key encrypted messages and photos that only the intended recipient can decrypt. Keys live on your device. Share the envelope as text or QR code, no servers involved. Every future feature added to the app is included. PRIVACY FIRST No accounts. No analytics. No tracking. No ads. Everything stays on your device. Available in English, French, German, Dutch, and Chinese. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gist.github.com/ColdCompile/cf9b3ec7bc1f95c6379477e4bd097cf9

Six ways to play. One goal: crack the code. From a quick daily challenge to live 1v1 duels — there's a mode for every agent. Daily Operation A new code every day, the same for every player worldwide. Compete on the global leaderboard and compare your performance. 1 challenge / day Against the Clock 120 seconds on the clock. Crack as many codes as possible before time runs out — every second counts in the global rankings. Infinite Loop No time limit. Keep cracking codes and build your longest streak ever. How far can you go? 1v1 Duel Generate a challenge code and send it to a friend. Both crack the same code , whoever uses fewer attempts and time wins. Async friend duel Online Match Get matched against a random opponent in real time. No friends needed — just your wits. A bot steps in if no one is available. Live ranked match and much more. How to Play Simple rules. 1. The Secret Code A random 4-digit code is generated. No repeating digits. The first digit is never 0. 2. Make a Guess Enter your 4-digit guess. You have 10 attempts to crack the code. 3. Read the Feedback + = correct digit in the right position. − = correct digit, wrong position. 4. Use Power-ups You can reveals a hidden digit. Or hit to button to grant 1 extra attempt. Both require watching a short ad.