There`s big trouble brewing on the Big Island, time to enlist the help of the Hardy Boys®. Nancy Drew is in Hawaii to work as a research assistant, or so she thinks. Someone or something has destroyed the environmental experiments in the forest around the Hilihili Research compound. Could it be the mythical Kane `Okala or other unfriendly rivals? Program your GPS to navigate beaches, forests, and volcanoes and reveal hidden Hawaiian secrets in Nancy Drew: The Creature of Kapu Cave.