To start, click the New Game button. Any opened games are quit individually by clicking the Close X button in the upper-right corner of its window.


Copyright © The name "Mastermind", the toy and distinctive likenesses thereof are the properties of Pressman Toy Corporation, by agreement with Invicta Toys and Games, Ltd. (UK). This applet is an unofficial, non-profit version, and neither it nor this site are endorsed by Pressman Toy in any way.