Zoo Tycoon - Platform: Nintendo DS Bonus scenarios: ---------------- There are four bonus scenarios that are unlocked by completing a scenario on different difficulty settings. 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