Mastermind is a free Android game developed by Maize. It is a simple code-breaking board game that can be played by two players, one of which is the computer and the other is the user. The game is a fun and challenging puzzle game that requires logic and strategy to win.

In Mastermind, the computer chooses a sequence of four colored pegs, and the user has to guess the sequence in as few moves as possible. The user can choose from six different colors to make their guesses, and after each guess, the computer provides feedback on how many of the guessed colors are in the correct position and how many are in the wrong position.

The game is easy to learn, and the interface is user-friendly. The graphics are simple but effective, and the sound effects are enjoyable. Mastermind is a great way to pass the time and exercise your brain with a fun puzzle game.