No one wants to visit a park where they could be eaten. But most importantly, you need to make sure your visitors are safe.
You can also specify different types of food and gifts to cater to your visitor's tastes. Besides having dinosaurs in your park, you also need to make sure your visitors are comfortable by setting up food stands, restrooms, and souvenir stands. Keeping your visitors happy is not as easy as plopping a few dinosaurs in the middle of a field and watching them walk around. The more stars and popularity, the more visitors.
If they do, you park will become more popular and your park will also gain stars. Your park can earn stars by entertaining visitors, hoping that they will leave with a satisfied attitude. The ultimate goal of the game is to ".create the most successful theme park in the history of the world," which pretty much means a five-star park. Jurassic Park: Operation Genesis is a park-building game that is reminiscent of games like SimCity and Theme Park.