Guest Name Codes
     Rename a guest to the name given for the desired effect.

Cheat code:        Result:
John Wheeler       All Animal Shelters Available
Zeta Psi           Make Some Guests sick
Adam Levesque      Get all Animal Shelters
Steve Serafino     Unlock Endangered animals
Lou Catanzaro      Unlock all animal toys
Andrew Binder      Unlock all Animal Houses
Akiyama            All Scenarios Completed
Charlie Peterson   Unlock All Foliage
Mr. Blue           Changes everyone's shirt blue
Mr. Blonde         Changes everyone's shirt yellow
Mr. White          Changes everyone's shirt white
Mr. Brown          Changes everyone's shirt brown
Mr. Orange         Changes everyone's shirt orange
Mr. Pink           Changes everyone's shirt Pink
Bill Gates         Donates a lot of money
Dr Dolittle        Animals breed more

Unlock Everything!
     To  unlock  all items the next time you start a game, press these
buttons at the main menu. if entered correctly, an elephant sound will
come.

     All  animals, foliage, buildings, etc.. will be unlocked once you
start the next game.
     UP,  UP,  DOWN,  DOWN,  LEFT,  RIGHT, LEFT, RIGHT, UP, UP, DOWN,
DOWN, LEFT, RIGHT, LEFT, RIGHT.