Question 1

What is Decode the Dragon's Vault?

Accepted Answer

Decode the Dragon's Vault is a gem-themed online version of the classic Mastermind code-breaking game. The hidden code is a sequence of colored gem pegs. After each guess you receive black pegs (right color, right position) and white pegs (right color, wrong position) as clues until you crack the code or run out of turns.

Question 2

How do you play Mastermind?

Accepted Answer

One player (or the AI) sets a secret sequence of colored pegs. The other player makes guesses, and after each guess receives feedback: a black peg for every color in the correct position, and a white peg for every correct color in the wrong position. Use that feedback to narrow down the code and crack it in as few guesses as possible.

Question 3

What difficulty levels are available?

Accepted Answer

The game offers Standard AI (a strong heuristic solver) and Genius AI (a minimax algorithm that always solves the code in the fewest possible moves). Genius mode is significantly harder to beat when you are the code-setter.

Question 4

Can I play offline?

Accepted Answer

Yes. Decode the Dragon's Vault is a Progressive Web App (PWA). After your first visit the game is cached by a service worker and works fully offline. You can install it to your home screen on iOS or Android for a full app-like experience at https://betaprojects.com/games/mastermind/pwa.

Question 5

What game configurations are supported?

Accepted Answer

You can choose 4, 5, or 6 holes (code length) and 6 or 8 colors. Each combination tracks its own win/loss statistics independently so you can compare your performance across configurations.

Question 6

Is there a 2-player mode?

Accepted Answer

Yes. In 2-player mode one person sets the secret code and hands the device to the other player, who then guesses. The game prompts you when to hand over the device so the code stays hidden, recreating the original board game experience on a single screen.