Jewel Keepers: Easter Island

One day, world-renowned Easter Island expert Professor "H" received a strange letter from the capital city of Hanga Roa. It was a cry for help from an unknown person, saying that something bad was happening on the island. Without hesitation, the Professor, his assistant Joel and his granddaughter Ivie rushed to the island, where many puzzles, mysteries and quests awaited them. Can you help him to reveal the greatest secret of Easter Island?