We have 1 cheats and tips on Nintendo DS. If you have any cheats or tips for Animalz Marine Zoo please send them in here. You can also ask your question on our Animalz Marine Zoo Questions & Answers page.
Go up, down, while pressing select, b, and a at the same time. Then, go to the first animal and talk to a maitenence person and he will say "Congrats, your zoo is #1."
Warning: This will only happen if it is midnight!!