Here is the full list of all 45 Zoo Rampage achievements.
Start the "Outbreak" level
Finish the "Arctic" level
Play as a polar bear
Play as a reindeer
Start the "Arctic" level
Play as a snow tiger
Finish the "Jungle" level
Play as a crocodile
Run over 250 zookeeper
Play as a phyton
Play as a gorilla
Start the "Jungle" level
Play as a tiger
Finish the "Africa" level
Finish any destruction level
Destroy 10 hot dog stands
Destroy 10 balloon stands
Run over 500 visitors
Destroy 15 toilets
Destroy 5 gas tanks
Destroy 15 trees
Play as a giraffe
Play as a rhino
Get over 9000 points
Start the "Africa" level
Play as a zebra
Shoot 25 goals
Finish the "Free Fish" level
Eat 250 fish
Start the "Free Fish" level
Play as a penguin
Run over 10 visitors
Scare 50 visitor
Finish the "Soccer Match" level
Start the "Soccer Match" level
Play as an elephant
Run over 2500 visitors
Finish all levels
Run over 5000 visitor
Run over 2500 zookeeper
Shoot 50 goals
Eat 500 fish
Finish the "Outbreak" level
Start the "No Escape" level
Finish the "No Escape" level