Cheat Mode

Click on a geust and then rename them
Name Effect
Alfred H
White birds attack
Hank Howie
All research complete
John Wheeler
All animal shelters available
Mr. Blonde
Yellow shirts
Mr. Blue
Blue shirts
Mr. Brown
Brown shirts
Mr. Orange
Orange shirts
Mr. Pink
Pink shirts
Mr. White
White shirts
Russell C
Fences deteriorate 100%
Zeta Psi
Sick guests

Exhibit cheats

After the game automatically names an exhibit, rename it to one of the following entries to get the corresponding animal.
Exhibit Effect
Cretaceous Corral
Triceratops
Xanadu
Unicorn

Bonus $10,000

Hold down shift and 4 to get $10,000.note do this before starting to build your zoo because while doing this cheat the fences will wear out very quickly.

HexCheat

To reduce the cost of animals and everything of this game:
Open any file with ‘*.ztd’ extension like ‘animals2.ztd’ with winzip/winrar, than search for ‘*.ai’ files like ‘leopard.ai’ and open it with notepad and search for ‘cpurchasecost’ and reduce the cost and save it.. by changing cost of all animals, stones, fences, items and everything in the game you can reduce the cost.

Yellow brick road footpath

Place a lion, tiger, and a bear in an exhibit.

All scenarios

Note: This procedure involves editing a game file;
Create a backup copy of the file before proceeding. Use a text editor to edit the ‘zoo.ini’ file. Add the following entries under the [scenario] section.

[scenario]
tutorial=0
ba=1
bb=1
bc=1
ca=1
cb=1
cc=1
cd=1
da=1
db=1
dc=1
dd=1
ea=1
eb=1

Developers Mode

Hit ctrl+d, this puts you in developers mode. Now you will see a little ‘x’ on the bottom right hand side of the screen. Hit the ‘x’ and you will be able to give your self as much money as you want PLUS there are a few other things you can do.

HexCheat

This method works for Freeform games only, for the scenarios you have to edit ‘scnXX.scn’, where XX means the number of the scenario, and which is located in the ‘scenario.zip’. Open ‘config.zip’, then search for the file ‘economy.cfg’. Open it with Notepad, the search the following line: cash=50000.
Enter the amount of money you would like to have, than save the file. When you start a new game you will have the cash you wanted.