This great value double-pack includes Zoo Tycoon 2 and its expansion pack Endangered Species. Zoo Tycoon 2 provides the ultimate zoo experience, and now allows players to step into their zoo where they'll be face-to-face with animals and guests in an all-new 3-D world. Enhanced building options and more management choices allow players of all ages and skill levels to be even more creative in building and managing habitats and zoo attractions so that guests are happier and animals are more entertaining. With the Endangered Species expansion pack, you'll care for and enjoy some of the rarest animals in the world. See if you have what it takes to bring these unique animals back from the brink of extinction. Whether it's the lovable Koala from the jungles of Australia or the exotic Komodo Dragon from the Lesser Sunda Islands, these wonderful new animals will inhabit your dream zoo and challenge your zoo skills.