Hidden Wonders of the Depths – Online Scurry through the underwater squares with `Crab` to help the mermaid build her fantastic home. Hidden Wonders of the Depths is a liquid mix of Match 3, Mahjong, and Hidden Object gameplay. No oxygen tank required as you move around collecting ancient artifacts. Discover hidden wonders in the depths of this vast, lively sea. Before you immerse yourself in exciting game Hidden Wonders of the Depths you just need to do one more thing. Let your friends know you will be unavailable for an hour or more while playing this gorgeous captivating game Hidden Wonders of the Depths! All funs of Match 3 must have this game.