Name one of your exhibits accordingly for the desired effect. Naming a new exhibit using these cheats have crashed many people's games.
Copralite Corner - All dinosaur poo will turn into rocks.
Super Croc - Deinosuchuse will be in the Animal Adoption window.
Microsoft - Double Exhibit Donations.
Blue Fang - Guests pay 2x original amount for attractions.
Wonderland - More people will come to see that exhibit.
Cretaceous Corral - Triceratops will be in the Animal Adoption window.
Xanadu - Unicorn will be in the Animal Adoption window.
Super Croc - Unlocks a giant croc named something similar to Deinosushus (spelling on this may be off a bit).
Note: Above cheat code submitted by Kat P.
Guest Names Cheat Codes
John Wheeler - All animal shelters available.
Akiyama - All scenarios completed.
Dr Dolittle - Animals breed faster/more often.
Alfred H - Birds scare the heck out of guests.
Mr. Blue - Change's everyone's shirt blue.
Mr. Brown - Change's everyone's shirt brown.
Mr. Orange - Change's everyone's shirt orange.
Mr. Pink - Change's everyone's shirt pink.
Mr. White - Change's everyone's shirt white.
Mr. Blonde - Change's everyone's shirt yellow.
Eggman - Dinosaur eggs hatch faster.
Adam Levesque - Get all Animal Shelters.
Bill Gates - Guest donates a lot of money.
Boogyman (male guest only) - Make children guests upset.
rpro (male guest only) - Make female guests upset.
Russell - Make fences deteriorate.
Stinky - Make guests sick.
Zeta Psi - Make some guests puke.
Hank Howie - Research all staff research automatically.
Bill Clinton - The demand for hamburgers goes up.
Andrew Binder - Unlock all animal houses and types.
Lou Catanzaro - Unlock all animal toys.
DINOMAN - Unlock all Dinos.
Charlie Peterson - Unlock all foliage.
Ron Propst - Unlock dinosaur foliage research program.
Steve Serafino - Unlock endangered animals.
Rich Uncle Pennybags - You gain a small amount of money.
Lou Catanzaro - Unlocks all animal toys.
Charlie Peterson - Unlocks all foliage.
Steve Serafino - Unlocks all endangered animals.
Dinoman - Unlocks all dinos.
Note: The previous four cheats were submitted by Kath P., thanks Kath!
Staff Names Cheat Codes
Name a male maintenance worker Bob V - All broken fences repaired.
Name a male maintenance worker George W - All foliage removed and get a $300 tax rebate.
Name a female tour guide Rosalie - All tour guide salaries are set to $0.
Rename a male zookeeper Jonathan Gilmour - He becomes the Ultimate Zookeeper.
Animal Names Cheat Codes
Name a reindeer Comet - All dinosaurs will disappear from your zoo. (Any eggs will remain in your zoo)
Name a bear Deer - The bear will break out of its exhibit. It will destroy any fence that you surround it with, excluding electric fences.
Name a scientist Dr. Scholl - Makes all scientists walk twice as fast.Scientist Names Cheat Codes
Name a scientist Dr. Frankenstein - Gives you a 10% chance that an egg will change contents when visited by that scientist.
