Nine men's morris, windmill, ninepenny marl, morelles, merels or cowboy checkers are all one game that is featured in Nine men's morris. This is a strategic board game in which players place their nine pieces or men on the playing field in such a way that three pieces line up and form a so-called windmill. In this case, the player has the right to remove one opponent's piece. When all the pieces are placed, players can move their pieces to empty spaces, but they cannot jump over the pieces. Moves alternate. The one with the pieces left wins. Play with a real opponent or against a game bot in Nine men's morris.