Casino classic slots are developed for online slot machines lovers, who want to have a relaxing pastime without stress and tension and play for free something really exciting and brilliant. Classic free slots online by Saucify are presented in great variety to the gamblers. One of the brightest classic slots by Saucify is Mermaid Serenade online slot. Mermaid Serenade is a bright and colorful game. The marine theme is completely revealed in colors and symbols and the feeling of being under the water is created. If the Mermaid appears on the first line the win is 1000 coins, on the second – 1500, on the third – 2500, on the forth – 3500 and on the fifth – 5000.