Number Mastermind

Number Mastermind - play free online

About Number Mastermind

Number Mastermind is a logic puzzle where a secret code is waiting to be cracked. You have ten attempts to figure out the correct numbers before your chances run out. Every guess you make gives you clues, and it's up to you to piece them together and close in on the answer before time runs out.

How to play Number Mastermind

Make a guess at the hidden numerical code and use the feedback you receive to refine your next attempt. Each guess should build on what you learned from the last one, narrowing down the possibilities. You have ten total attempts to identify the exact code, so think carefully before locking in each guess and use the process of elimination to your advantage.

Tips for playing Number Mastermind

  • Keep track of which numbers you've already tried so you don't waste a guess repeating them.
  • Use each attempt to test a theory rather than guessing at random, so every guess teaches you something new.
  • Narrow down possibilities early, then spend your later attempts confirming the exact order or values.

Frequently asked questions

How do you play Number Mastermind?

You guess a hidden numerical code and use the feedback from each attempt to narrow down the correct answer. You get ten attempts total to crack the code.

How many guesses do you get in Number Mastermind?

You have ten attempts to figure out the secret code before the game ends.

Is Number Mastermind free to play?

Yes, it runs directly in your browser with no download required, on phone or computer.

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