Includes the original Zoo Tycoon and the expansion packs Dinosaur Digs and Marine Mania. . Zoo Tycoon. Zoo Tycoon is a fun strategyresource game where the player is challenged to design and build the most healthy and vibrant zoo possible while working to ensure animal happiness customer satisfaction and profitability . . Dinosaur Digs. Dinosaur Digs is a fun and creative expansion pack that works with the existing Zoo Tycoon game allowing players to uncage their imaginations and evolve their zoos with ferocious dinosaurs and prehistoric beasts. From the T - Rex to the Smilodon (saber-toothed cat) players can integrate more than 20 prehistoric beasts into their existing zoos in a quest to build the ultimate zoo.. . Marine Mania. The Zoo Tycoon Marine Mania expansion pack seamlessly integrates with Zoo Tycoon allowing players to immediately add aquatic creatures to their ultimate zoo. In addition to offering new creatures ranging from the great white shark to the giant squid Zoo Tycoon Marine Mania allows players to enhance their zoos with customizable aquatic shows including a dolphin show.