This game is similar to the "Enchanted Forest" series, but it has a free games feature.
TIPS AND TRICKS
3, 4, or 5 Scattered Pearl in shell will trigger 12, 15, and 20 free games respectively. Bonus can be re-triggered. During free games, if any Mermaid appears, it will stay and other reels without Mermaid will respin. All wins in bonus are x2.