Empress of the Deep 2: Song of the Blue Whale [Download] This sequel is twice the length of its bestselling precursor, with hours of breathtaking hidden object mystery and adventure in majestic city in the clouds. Unlock unique and beautiful animal guides to help solve each expansive puzzle level. Collect crystal dolphins to add to your healing powers. Use it to help your friends. Who can you trust? Untangle the lies of the Empress and her secret servant. Solve elaborate puzzles with found objects and magical artifacts to bring harmony to the ancient, mystical city in the clouds.