Crack the secret color code using logic and the feedback pegs.
Mastermind is the classic code breaking game of logic and deduction. A secret sequence of four colors is hidden from you. Guess it, and you are told how many pegs are the right color in the right spot, and how many are the right color but in the wrong spot. Use that feedback to narrow down the code before your guesses run out. Free to play, no download and no sign up.
Work your way through 10 stages. The code stays four colors from six the whole way, but you get fewer guesses as the stages climb, from a generous 12 tries on stage 1 down to just 6 on stage 10. Lose a stage and the run resets back to stage 1, so stay sharp.
Create a room, share the six letter code, and your friend joins from their own device. One of you sets a secret code in private, the other tries to crack it in real time. Swap roles and go again. Works on phones, tablets and computers.
Crack a 4 color code from 6 possible colors. Guesses get tighter every stage. Lose a stage and you restart at stage 1.
Share this code with your opponent.
Waiting for an opponent to join…
Pick 4 different colors. Your opponent will not see this.
Your opponent is setting their secret code…