Guide to MysteryDoor

Behind every door, a different puzzle is waiting. Study clues, decode messages and unlock the chambers of an ancient archive.

What makes MysteryDoor different?

A cipher hides a simple rule beneath unfamiliar letters. Start by identifying common patterns, and keep a small record of every clue before entering a combination.

A thoughtful way to begin

1. Read a challenge’s goal before using any controls.
2. Try one approach, then use on-screen feedback to adjust your reasoning.
3. Remember your strategy and replay challenges to improve, not to chase an imaginary leaderboard.
4. Visit the dashboard to review your locally saved discoveries.

Choose your first experience

Start with Shadow Cipher, then browse the remaining ten challenges in this world.

How your data is handled

Gameplay runs in your browser. Scores and saved entries are kept locally. You can export a backup at any time, but it will not synchronize automatically between devices.

In-depth tutorials