Unlock All Animals:
Press [Shift] [Alt] [T] during game play.
Staff Morale - 100:
Press [Shift] [Alt] [Z] during game play
All Reasearch:
Press [Shift] [Alt] [S] during game play
Zoo Rating - 100:
Press [Shift] [Alt] [X] during game play
All Animals Happy:
Press [Shift] [Alt] [D] during game play
Compled Scenario:
Press [Shift] [Alt] [W] during game play
Unlock All Scenarios:
Press [Shift] [Alt] [L] during game play
Special animals:
You can unlock animals such as the Asian Black Bear, Przwlaski's Wild Horse, Albino Gorilla, Chinese Alligator, etc. Research the strongest fence and go to the bottom of the list of animals. All the ones after the Chinese Alligator are the ones that can be unlocked unlock during scenarios. Rainforest Zoo has the Przwlaski's Wild Horse and Asian Black Bear. Condition:Critical has the Albino Gorilla and Asian Black Bear.