From the back of the box:
A Wild Way to Make a Living -- Build the Ultimate Zoo
You're in charge of a real zoo! Go wild building the most fun and beautiful zoo you can imagine. Care for unpredictable and untamed animals--and those are just the guests. Keep everyone happy and you'll be a Zoo Tycoon(TM)!
Uncage Your Imagination - Build with more than 175 exhibit and zoo materials including waterfalls, flowers and hamburger stands!
Lions, and Tigers, and Bears, and more - Choose from over 40 unique animals including Elephants, Cheetahs, and Penguins.
Ready, Set, Go! - Intuitive design and interactive tutorials put you in the fun in no time.
Hone your Zoo Tycoon skills - More than a dozen different scenarios that start out easy then become more and more challenging.
More Fun Than a Barrel of Money - Create the ultimate zoo and reap big profits if you manage it well. Remember: if customers aren't happy, they won't come back!
All the Creature Comforts of Home - Anticipate your animals' every need such as food, water and shelter.