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The Wild symbol of the Book of Ra also doubles as a Scatter. This means that, it will substitute other symbols to create winning combinations as well as generating its own payline when 3 or more symbols are aligned, Free Spins mode is activated when 3 or more of the symbols show up on the reel (regardless of the bet lines active). During the Free Spins, a symbol between the regular ones becomes expandable: If this symbol appears at least 3 times, it will extend to cover the roller entirely, while the value of the winning combination is multiplied by the number of pay lines. If during this mode Scatters appear on 3 other reels, you enable additional 10 bonus games.