Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Destroy 1000 enemies	Destroy 1000 enemies.
Destroy 15000 enemies	Destroy 15000 enemies.
Destroy 8000 enemies	Destroy 8000 enemies.
Full Constructor	Build 250 towers.
Hang by a thread	Win with less than 5% of the heart's HP.
Hang by a thread	Win with less than 5% of the ship's HP.
Happy Piggy bank	Collect 15000 coins.
I guess I can play the lottery	Win with the green ship.
In one piece	Clear a stage without taking damage.
It wasn't just a dream	Win with the blue ship.
Junior Constructor	Build 100 towers.
Looking for the best	Make a maximum upgrade.
Senior Constructor	Build 500 towers.
Starting an Economy	Collect 5000 coins.
Sweetening the universe	Win with the pink ship.
The sadness didn't even have a chance	Win with the yellow ship.
They're not good in your pocket III	Use 100 power-ups.
They're not good in your pocket II	Use 50 power-ups.
They're not good in your pocket I	Use 10 power-ups.
Time to break out the piggy bank	Collect 30000 coins.
Training	Complete the tutorial.