Dinosaurs ruled the earth from about 240 million to 65 million years ago. When you play Survival or Extinction you can become one of those dinosaurs, searching for food and avoiding natural disasters. The game contains profiles for 16 dinosaurs including Apatosaurus, Brachiosaurus, Parasaurolophus, Protoceratops, Triceratops, and Tyrannosaurusùall of which you can find here at The Field Museum. For 2 or more players. Ages 5 and up.