Build a 3-star bridge without hints
3-star all bridges in the second world
3-star all bridges in the first world
3-star all bridges in the third world
3-star all bridges in the game
3-star a bridge with hints
3-star 3 bridges with "Build for me" option
Build a bridge using hints
Interact with every animal in the game
Build a ramp instead of a bridge
Interact with a Wind Turbine and an Oil Pump
Interact with every possible object
Improve the rating of a 1-star or 2-star bridge to 3 stars
Get rid of 10 clouds in a level
Build a bridge with some BasePoints left
Complete all levels in the game
Unlock the Hidden Level