What are some free computer games where you can make your own zoo?

Some free computer games where you can create your own zoo include "Zoo Tycoon: Free" and "Planet Zoo: Trial Version." In "Zoo Tycoon," players can design and manage their own zoo while caring for animals and visitors. "Planet Zoo" offers a more modern experience with extensive customization options, though its trial version has limitations. Another option is "Animal Park," which allows users to build and manage a zoo with various animal species and attractions.