Mysterious symbols are of high value with the Montezuma slot machine from WMS Williams. Take your own way and try everything for free! You can play slots for free by playing them in online casino. Turn the big who in the bonus round to determine the amount of free plays. Receive up to 25 free spins and then spin the other wheel to get your prizes up to 10x multiplied. The Montezuma slot machine often comes with a wild symbol that can replace other symbols.