The Uncharted Isle is an island trapped in the prehistoric times. Despite the island being called the "Uncharted Isle", you can see the island very clearly on the map. There are two primitive humans named Gonk and Sylvia. Sylvia used to be a civilized human, but decided to be a cavewoman instead after visiting the island to study it (and became Gonk's girlfriend). Bobaboo a small green triceratops, is a curious animal and Gonk's friend. Sir Vincent Skullfinder is a historian and explorer who visited the island to find fossils, and trapped Bobaboo in order to donate him to some researchers (but is stopped by you, Lyndsay and Buddy.