You have huge responsibility on your shoulders even as you work in the zoo hospital where you will have the sick baby animals to take care of. If this is your first time playing the game, you may check out the in game tutorial for better understanding of the game play. In each time-based levels of the game, you have to strive to earn certain goals. You have to take very good care of the baby animals brought to the hospital, serve them well, and send them out happy and healthy. These baby animals do not have good patience and so you had better be efficient and quick.