Full list of all 44 Zoo Tycoon achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox 360.
Make an animal completely happy.
Keep your average animal happiness in the Green for 20 minutes.
Breed a color variant of an animal.
Breed every animal type.
Breed every animal and their color variants.
Refill the animal cleaning stations 250 times.
Restock the feeding stations 100 times.
Release one of every animal type into the wild.
Have a successful Viral Advertising campaign.
Clear up 1,000 pieces of poop.
Complete all 3 interactions with the animals.
Complete 25 treat interactions.
Complete 25 hose interactions.
Play with 25 animals.
Receive an award (Challenge Mode only).
Receive 5 awards in the same zoo (Challenge Mode only).
Receive all 20 awards in the same zoo (Challenge Mode only).
Complete a challenge (Challenge Mode only).
Complete 25 Challenges (Challenge Mode only).
Complete 100 challenges (Challenge Mode only).
Build your 1st exhibit.
Build every type of concession in the same zoo.
Upgrade an attraction.
Upgrade an attraction to level 3.
Repair an attraction or enrichment.
Increase your Fame level 100 times across all your zoos.
Fill a photo album.
Fill all the photo albums.
Complete a scenario (Campaign Mode only).
Complete 5 scenarios (Campaign Mode only).
Complete all the scenarios (Campaign Mode only).
Hire a member of staff.
Train a member of staff up to level 3.
Start your first zoo.
Run 10km.
Drive 25km.
Have a guest rating of 10,000 in your zoo (Challenge Mode only).
Customize 50 different attractions.
Earn $100,000 (Campaign & Challenge Modes only).
Earn $1,000,000 (Campaign & Challenge Modes only).
Earn $10,000,000 (Campaign & Challenge Modes only).
Research an item (Campaign & Challenge Modes only).
Research 10 items (Campaign & Challenge Modes only).
Research everything (Campaign & Challenge Modes only).