One of your animals must give birth.
Your breeding program must produce 100 babies (nursery births only).
Convince Captain Cola to run a promotion at your zoo.
Have a visit from a protestor.
Fire an employee.
Build your first Wind Turbine.
Build a bacon factory.
Create your first hybrid animal.
Map your first Genome.
Map 56 standard animal Genomes.
Own at least 10 buses.
Unlock 5 bus routes.
Get a flying visit!
Complete 10 trades with other zoos.
Employ a Gonky mascot.
Sell a ticket for at least 100 dollars.
Complete the trade for the Lion in Singapore.
Have at least 6 unique types of evil factory operating in your zoo.
Earn at least $50000 in a single day.
Send a member of the black market to prison.
Sell 10 animal to the black market.
Complete the Goth quests.
Complete all Kaiju Cosplay quests.
Break some teeth.
Buy a trampoline for your zoo.
Research 20 things.
Research 233 things.
Unlock a second zoo on the world map.
Get a Deco Rating of 100%.
Buy every plot of land in the starting zoo.
Sell a Hotdog at the worst possible quality.
Have 200 good points.
Have 200 evil points.
Clone your first dinosaur.
Employ a Bernie mascot.
Build a Bio-waste Storage.
Complete the dig for the Mammoth.
Complete all Critical Choices for King Sapphire.
Discover all 51 Dinosaurs/Animals.