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The Mysterious slot machine can be called a Victorian-era thriller filled with various spooky symbols: ghosts, thunder, bolts of lightning, and so on. The slot seems pretty simple at first glance, but it’s a mistake, as there are 3 different game modes! They are changed by Wild Game Modifiers, and the number of available paylines may also vary from 256 (in the standard round) to 4,096 in the final round. So it is time to jump into a dark and stormy night to win some prizes!