Complete the following tasks to unlock the achievements.

Achievement	How to unlock	Points
Animal Person	Interact with every animal in the game.	1000
Aspiring Architect	Complete all levels in the game.	5000
Bridge Master	3-star all bridges in the game.	10000
Contractor	Build a bridge using hints.	500
Demanding Client	3-star a bridge with hints.	1000
Engineer	Build a 3-star bridge without hints.	500
Freeloader	3-star 3 bridges with "Build for me" option.	1000
I want again	Unlock the Hidden Level.	1000
It's gotten cloudy	Get rid of ten clouds in a level.	500
One with Nature	3-star all bridges in the first world.	2500
Perfectionist	Improve the rating of a 1-star or 2-star bridge to 3 stars.	1000
Sandbridges	3-star all bridges in the third world.	2500
Snow Queen's Architect	3-star all bridges in the second world.	2500
So Energetic!	Interact with a Wind Turbine and an Oil Pump.	1000
Stunt Driver	Build a ramp instead of a bridge.	2500
What's this?	Interact with every possible object.	2500
Who needs that?	Build a bridge with some BasePoints left.	1000