Mastermind is an interesting puzzle game in which you have to use your intelligence to solve puzzles. This game is quite difficult, so it is more suitable for adults to play. With Mastermind, your main mission is to find the correct positions of dots in the sequence. Try your best to use the useful clues and solve puzzles in the game. Especially, you will have a specific score to complete in each level. One more thing, to become the smartest person in this game, you have to overcome 15 challenging levels. Are you ready to challenge yourself? Good luck!