Mermaid’s Pearl is a 5, 10 or 20-line, 5-reel slot machine game featuring an underwater theme with mermaids and sunken treasures. The MERMAID symbol substitutes for all symbols except for the TREASURE CHEST symbol and doubles when substituting. All wins pay from left to right except for the scattered TREASURE CHEST symbols. Scatter symbols pay anywhere on the screen. At this slot machine you can play with 5, 10 or 20 winning lines.