GameFAQs
- Includes information, FAQs, guides, hints, reviews, and a message board.
- http://www.gamefaqs.com/computer/doswin/data/472139.html

Zoo Tycoon Unlimited U.S.A.
- Zoo contests, downloads, tips, scenario walkthroughs and forums.
- http://www.zootycoonunlimited.com/

The Zoo Enclave
- Large collection of hints, tips, tricks and cheats.
- http://www.mystictroll.com/zoo

Zoo Admin
- An active game-oriented community with user forums, articles on all aspects of gameplay, downloads of user-created items, and zoo contests.
- http://zoo.ogresnet.com/

Wisco's Zoo Tycoon
- Game guide for creating high suitability exhibits for each of the official game animals. Wisco also lists successful mixed exhibits and describes how to achieve them.
- http://users.skynet.be/wisco/index2_zootycoon.html

Cheat Code Central
- Contains cheat codes and a strategy guide.
- http://www.cheatcc.com/pc/zootycoon.html

Zoo Keepers Station
- Provides strategies, news, interviews, screenshots, and downloads.
- http://www.strategyplanet.com/zootycoon/