Cipher Command vs Cipher

You are an intelligence agent stationed at a secret facility. Intercepted enemy transmissions are flooding in — and only you can crack them. Black Signal is a historical cryptography puzzle game that puts you inside the world of WWII code-breaking. Decrypt authentic ciphers used in real military operations, uncover classified intelligence, and learn the craft that changed the course of history. CLASSIFIED MISSIONS Work through 30 missions across three clearance levels — CONFIDENTIAL, SECRET, and TOP SECRET. Each opens with a full intelligence briefing, and each solved cipher reveals what actually happened in history. 7 AUTHENTIC CIPHER SYSTEMS Every cipher was used in real military operations — from the ancient Caesar shift to the legendary Enigma machine. Break them all using interactive, historically accurate decryption tools. - Caesar Cipher - Substitution Cipher - Rail Fence Cipher - Vigenere Cipher - Playfair Cipher - ADFGVX Cipher - Enigma-Inspired Cipher FEATURES - Hands-on cipher tools for every encryption type - Guided tutorials that teach real cryptanalysis - Progressive difficulty from CONFIDENTIAL to TOP SECRET - Historical context for every mission and cipher - 15 achievements from Field Agent to Master Cryptanalyst - 4 bonus mission packs: Pacific Theater, D-Day, Eastern Front, Cold War - No ads. No data collection. From Lepercon Studios — Decrypt History.

No ads during puzzles. Every day, a new encoded quote waits for you. Crack the cipher, reveal the message, keep your streak alive. Tap a coded letter. Tap what you think it means. Watch the quote unlock - one letter at a time. - Daily puzzle, fresh every day - Free play with hundreds of quotes - Earn coins, use hints when stuck - Track your streak and stats - Dark, clean design built for focus Simple to learn. Satisfying to solve. By using this app, you agree to the Apple Standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/