In Zoo tycoon 2, you can also get special packs, for example, Dino Danger pack. This pack allows you to get a few new plants and animals to add to your zoo. If you want, there is a way to get all of the pack at once. To get Zoo Tycoon 2 Ultimate Collection!
You can get all of the packs in this, but some animals in the regular kind is no longer avalible. (Capybara, mustang, etc.)
There are three options to start. Tutorial, free mode, challenge mode, or saved folder. In tutorial, there is a zoo already built for you, and that's what you do if your a starter if you want. In free mode, you get endless money. You have no limit to buying objects. In challenge mode, you will have to earn your money, and you will have a limit.
Zoo tycoon is a really fun game for everyone! Have fun playing!