Zoo Tycoon 2 Cheat Codes for PC

Walk twice as fast
Run in Zoo Guest Mode and Photo Safari Mode:
Since left-clicking the mouse makes you walk in Zoo Guest and Photo Safari Mode, and so does W or Up, you can walk twice as fast (aka run) by holding two of these.

Run in Zoo Guest Mode and Photo Safari Mode
Since left-clicking the mouse makes you walk in Zoo Guest and Photo Safari Mode, and so does W or Up, you can walk twice as fast (aka run) by holding two of these.

Make people repay to enter zoo
To make people repay to enter zoo simply pick them up and put them outside the gate and they will repay. Note if someone is leaving your zoo and you do this they will not come back in and they will walk out.