ZOO TYCOON 2: ZOOKEEPER COLLECTION TIPS & TRICKS
Free Moola
You can pick the guests up and re-put them at the front entrance making them enter again... which will make them pay to get in again. Before using this trick i usually set the zoo entrance fee at the maximum ammount.
walk faster in guest mode
To walk fast in guest mode you got to hold on the up arrow and hold the left button on your mouse.
Crouch in guest mode
Hold down the X key to crouch in guest mode.
White Hippo
Name a hippo WHITER HIPPS and it will turn white.
Free Adult Koala
Name a guest Kody to get a free adult koala [any gender]