Earned $100,000.
Completed all 3 interactions with the animals.
Bred an animal using one gifted from a friend.
Completed a scenario.
Researched 10 items.
Researched an item.
Had a successful Viral Advertising campaign.
Average animal happiness kept in the Green for 20 minutes.
Ran 10km.
Repaired an attraction or enrichment.
Upgraded an attraction to level 3.
Upgraded an attraction.
Trained a member of staff up to level 3.
Hired a member of staff.
Built 1st exhibit.
Started your first zoo.
Restocked the feeding stations 100 times.
Completed 25 treat interactions.
Completed 25 hose interactions.
Played with 25 animals.
Cleared up 1,000 pieces of poop.
Received an award.
Received 5 award in the same zoo.
Received all 20 awards in the same zoo.
Completed a challenge.
Made an animal completely happy. (Challenge Mode)
Completed 25 Challenges.
Completed 100 challenges.
Built every type of concession in the same zoo.
Increased Fame level 100 times.
Joined a friend's zoo.
Invited a friend to your zoo.
Built 15 attractions with a friend.
Filled a photo album.
Filled all the photo albums.
Completed 5 scenarios.
Completed all the scenarios.
Drove 25km.
Have a guest rating of 10,000 in your zoo (Challenge Mode only).
Customized 50 different attractions.
Earned $1,000,000.
Earned $10,000,000.
Bred a colour variant of an animal.
Researched everything.
Bred every animal type.
Bred every animal and their colour variants.
Refilled the animal cleaning stations 250 times.
Released one of every animal type into the wild.
