New adventure expects to curious Dasha in a very beautiful underwater world. Dasha need to find the secret letters, which store mermaids. To do this Dasha was dressed like a mermaid and came down under the water. All the letters that our heroine should to find are placed all over the screen in the most unexpected places. In order to detect them you need a good focus and to look attentively at the picture. Some of the letters are hidden quite clearly and discover them will be easy, but some of the letters are well camouflaged to the surrounding background, so you have to make much effort to find them. But together with Dasha you should be able to solve any most complex tasks in the underwater world.