From the back of the box: "Those lovable dinosaurs from the Jurassic are now on your Sega Genesis! Rex, Woob, Elsa and Dweeb are in big trouble in the Big Apple. Dr. Screweyes is after them and and only Louie and Cecilia can help! Not only do you play either Louie or Cecilia, but you also fly Elsa through Central Park, guide Rex through on a skateboarding trip through New York's streets and control Woog on a wild scooter ride! Over a dozen exciting levels! Battle Dr. Screweyes and his friends in the coolest dinosaur adventure ever! You're the star in this simulation of the hit animated movie, We're Back! A Dinosaur's Story!"