# CipherStreet: Code Puzzles

> Crack codes like a spy

Canonical page: [https://chrome-stats.com/d/id6777695131](https://chrome-stats.com/d/id6777695131)

## Overview

- **ID:** `id6777695131`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Denys Popov
- **Category:** Puzzle
- **Rating:** 1.00 / 5 (1 ratings)
- **Version:** 1.0
- **Last updated:** 2026-06-17
- **First published:** 2026-06-17
- **Size:** 115 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/cipherstreet-code-puzzles/id6777695131)
- **Website:** [https://cipherstreet.denyspopov.com](https://cipherstreet.denyspopov.com/)
- **Privacy policy:** [https://cipherstreet.denyspopov.com/privacy](https://cipherstreet.denyspopov.com/privacy)

## Description

Crack real ciphers: Caesar to RSA - inside a cold-war spy thriller. Learn the foundations of modern cryptography by doing, not by being lectured. No ads, no tracking.

CipherStreet is a story-driven puzzle game where every level is a real cryptographic cipher - from Caesar shifts to RSA public keys - wrapped in a cold-war spy thriller.

Intercept encoded messages. Decode them with on-screen tools you discover, not tutorials you sit through. Unlock fragments of a decades-spanning conspiracy with every cipher you crack. By the end of ten chapters you'll have genuinely internalised the foundations of modern cryptography - roughly the first four weeks of a university course — without a single lecture.

THE STORY
A defector known only as The Architect has built a private intelligence network hidden inside ever more sophisticated ciphers. Your handler, Agent Kovács, sends each intercept with minimal context and maximum urgency. A mole. A missing codebook. A name that keeps reappearing across fifty years. Crack the codes before dawn.

TEN CHAPTERS, TEN REAL CIPHERS
• Caesar cipher: frequency analysis
• Vigenère: the pattern inside the pattern
• Rail Fence:  transposition
• Enigma (simplified): the crib attack that broke a war
• Playfair: grid geometry
• One-Time Pad:  the perfect, unbreakable lock
• Diffie-Hellman: sharing a secret in public
• RSA: math as a lock
• Hash functions: integrity, not secrecy
• Steganography: messages hidden in plain sight

WHAT MAKES IT DIFFERENT
• Learn by doing: tools are discovered through play, never explained at you
• Real, historically accurate cryptography, all running offline on your device
• A genuine spy narrative with characters, twists, and a finale that recasts everything
• No punishing fail states: get a cipher wrong and the story simply waits
• Build and share your own encrypted intercepts; challenge friends to crack them

FREE TO START
Chapters 1–2 are completely free, no account required. A single one-time purchase unlocks chapters 3–10 and every cipher type in the Builder. No ads. No subscriptions. No tracking.

The cipher is never the weakest link. The human always is.

## Rankings

- #981,035 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6777695131)