Here is the full list of all 16 The Packages achievements.
Collect 60 stars
Complete level 20
Collect 30 stars
Complete level 10
Paint one package
Delivery your first package
Complete level 30
Complete level 40
Complete level 50
Complete level 60
Complete all Levels
Collect 90 stars
Collect 120 stars
Collect 150 stars
Collect all stars
Delivery your first special package