Zoo Tycoon DS Cheat Codes

Bonus scenarios
There are four bonus scenarios that are unlocked by completing a scenario on different difficulty settings.

Unlock everything
At the main menu, press Up, Up, Down, Down, Left, Right, Up, Up, Down, Down, Left, Right, Left, Right.

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

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