Earn 20 stars
Earn 30 stars
Complete the tutorial level
Build an Air Filter
Generate a level
Build a Renewable Forest
Save 250,000 people
Stockpile 10K stone
Save 100,000 people
Save 25,000 people
Build a Basic Rocket
Build an Advanced Rocket
Save 500,000 people
Clear 5 Resource Caches in a level
Start the tutorial level
Complete every level