Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A real hero	Receive three stars for each level of the game.
Collector	Smash all secret objects.
Eureka!	To understand the reasons for what is happening.
Freebie Lover	Collect fifty Bonus Crates.
Last man standing	Withstand a wave without building a single turret.
Long way home	Evacuate from the planet.
Nice to meet you!	Find out the names of the developers.
One punch	Destroy five flying drones in one shot, using the powershot from your drone.
Pyrrhic Victory	Win after taking at least 90% damage to the base.
Ready for battle	Complete the tutorial.
Scooper	Build up all platforms on the level with third level turrets.
Senior Engineer	Fully upgrade any three upgrade branches.
Sower of Chaos	Use any superweapon twenty times.
Treasurer	Earn over 5000 resources with the help of crystal miners.
Who needs these turrets?	Destroy hundred robots with a drone.
You shall not pass!	Destroy the enemy with a drone right in front of the base.