Full list of all 33 Island Saver achievements.
The base game contains 13 achievements, and there is 1 DLC pack containing 20 achievements.
Use tax to build a bridge.
Complete charity mission and send Litterbugs home.
Exchange all 5 currencies into doubloons at least once.
Repay a bank loan.
Exchange any currency at its best price.
Take out a bank loan.
Barter with Kiwi.
Deposit 1000 gold doubloons.
Earn 50 Tax Tokens.
Spend 100 in Pigby's Store.
Earn first interest on your savings.
Deposit 100 gold doubloons.
Use tax to empty recycler.
Plant a giant beanstalk
Find all the Golden Goose eggs
Award all fruit supply contracts
Find Truffles's lost dog
Paint both billboards on Oasis Island
Build portal pipe on Hub Island
Glide on a dragon
Use a magic portal
Smash a wooden crate
Help smoothie stall re-open for business
Collect a piece of broken Exit Bot
Find all Newton's lost fossils
Build tax bridge
Help Newton repay all his debts
Feed a flying Pteranodon
Insert battery into Giant Tax Bot
Ride on a Velociraptor
Ride on an Ankylosaurus
Use T-Rex to smash amber
Open the Electric Gate