Available on App Store & Google Play

Break the Code.
Master the Mind.

The classic code-breaking game reimagined for iPhone and Android.

Free · iPhone & Android · iOS 15.6+ · Android 8+

Everything you love about Mastermind

Classic gameplay with a modern twist.

🎯

4 Difficulty Levels

From Easy to Hard.

⏱️

Timed Mode

Race against the clock.

Accessible Colors

Okabe-Ito palette.

📊

Statistics

Track your progress.

🌍

22 Languages

Fully localized.

💡

Smart Hints

Black and white pegs.

Mastermind Pro

Unlock the full experience

One-time purchase. No subscription. No ads.

  • Classic difficulty
  • Hard difficulty
  • Timed mode
  • Detailed statistics

$1.99 · One-time payment

🟢
Easy4 colors · 4 positions · 12 guesses
Free
🟡
Medium5 colors · 4 positions · 10 guesses
Free
🎯
Classic6 colors · 4 positions · repeats allowed
Pro
🔴
Hard6 colors · 5 positions · 8 guesses
Pro

🏆 Global Leaderboard

Top players from around the world.

# Player Difficulty Guesses Time Score
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🏅 Tournaments

Everyone solves the same secret code — one attempt per player, a fair fight. Join a tournament in the app, get your code, play any time during the tournament window, and your result is submitted automatically. The winner is whoever cracked the code in the fewest guesses.

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What players say

Real feedback from our community.

About Colegio Solutions

A small software company based near Prague, Czech Republic.

Who we are

Colegio Solutions s.r.o. is a Czech software company founded in Sibřina.

Mastermind is our first mobile game.

Our values

  • Simplicityno clutter, no dark patterns, no subscriptions.
  • Accessibilitycolorblind-safe design, 22 languages.
  • Fair pricingone small payment unlocks everything. Forever.
  • Qualitynative SwiftUI and Kotlin/Compose, no third-party SDKs, no ads.

My Story

— Petr Vítek

Company info

CompanyColegio Solutions s.r.o.
IČO24792161
AddressSibřina 250 84, Czech Republic
CountryCzech Republic 🇨🇿

Get in touch

Have a question, found a bug, or want to suggest a feature?

petr.vitek70@gmail.com