Mastermind is a classic code-breaking puzzle game where you try to guess a secret color combination. After each guess, you receive feedback telling you how many colors are correct and in the right position (exact matches) or correct but in the wrong position (partial matches).
Yes! Mastermind Arena is completely free to play. No subscriptions, no ads, no hidden costs. Just pure puzzle gaming fun.
No! Mastermind Arena runs entirely in your web browser. It works on desktop, tablet, and mobile devices without any downloads or installation.
You can try the demo without an account, but creating a free account unlocks all features including daily challenges, leaderboards, race mode, statistics tracking, and social features.
The computer creates a secret code of colored pegs. You have 10 attempts to guess the code:
Difficulty is based on the number of positions in the code:
You earn points based on:
Yes! The secret code can contain duplicate colors, which makes the game more challenging and strategic.
Every day, all players receive the same puzzle to solve. Compete for the best score and build your daily streak! Daily challenges earn bonus points and appear on the daily leaderboard.
Race Mode lets you challenge other players or AI bots to head-to-head real-time competitions. You both get the same secret code and race to solve it first. Winners earn 200 points - compete and climb the leaderboard!
Yes! Challenge the AI Rookie bot in race mode to practice your skills. The AI makes moves every 12-18 seconds and provides a good challenge without the pressure of competing against humans.
Groups let you create private communities with friends or other players. Each group has its own chat, leaderboard, and shared achievements. Connect with fellow puzzle enthusiasts!
We have multiple leaderboards:
You earn points by:
No! In Mastermind Arena, you never lose points. Races reward winners with 200 points, and while losers don't gain points, you'll never go backward. Keep playing and improving!
Achievements are special badges you earn by completing specific challenges (like winning 100 games or maintaining a 10-game win streak). Each achievement awards bonus points!
Mastermind Arena works on all modern browsers including Chrome, Firefox, Safari, and Edge. For the best experience, keep your browser updated.
Yes! The game is fully responsive and works great on smartphones and tablets. You can play anywhere, anytime.
Please contact us with details about the bug, including what happened and what browser/device you're using. We appreciate your help in making the game better!
Yes! We use industry-standard security measures and trusted services (Supabase for authentication and data storage). Read our Privacy Policy for details.
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