Mastermind is a famous code-breaking game.
This app provides a fully customisable version of mastermind, you can choose the colors you want to play with, the number of pegs and whether it is or not allowed to use twice the same color in the code.
Tired of thinking? Use this app as a powerfull mastermind solver. It tells you at each turn what you should play and you just have to give the feedback.
It uses a scientific method to reach the theorical limit of the mastermind and make you win in average in as few steps as possible!