Treasures of the Incas: Discover the riches of the Ancient Incas on your journey to recover the missing Emerald Stone in this entertaining Match 3 adventure. Join Ruby and the Professor as they embark on an expedition from Oxford, England, to the heart of the lost Inca Empire, where a priceless artefact is hidden. Guided by an antique manuscript, avoid the wrath of the Ghost Protector, the spirit of an Ancient Inca Warrior sworn for eternity to protect the temple. Treasures of the Incas Walkthrough.