
Mastermind - Bulls And Cows
Guess the secret code
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Free
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About
Bulls and Cows is a single-player logic game: guess the secret number before time runs out.
Digits never repeat. After each guess you get hints. The app uses the Spanish terms Fija and Pica in every language:
• Fija (bull): the digit is in the secret number and in the correct position.
• Pica (cow): the digit is in the number, but in the wrong position.
Choose one of four levels:
• Easy: 3 digits, 3 minutes.
• Medium: 4 digits, 3 minutes.
• Hard: 5 digits, 4 minutes.
• Extreme: 6 digits, 5 minutes.
There is no attempt limit: you win by cracking the code and lose only when the timer hits zero.
Unlock 8 achievements for speed, precision, and difficulty. Progress is stored on your device.
The app includes in-game rules, needs no account, and does not connect to our own servers. Free, with no ads and no in-app purchases.
Questions? Write to hello@kurubatech.com.
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What's New in Mastermind
2.0.0
October 10, 2026
What's new in 1.0.2: daily challenge (one game per day), zen mode with no time limit, share your result as an image, stats and streaks, appearance with theme, language and color palettes, and an optional daily reminder. Still free, with no ads and no in-app purchases.
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