Full list of all 26 Shelter 2 achievements.
The base game contains 20 achievements, and there is 1 DLC pack containing 6 achievements.
All cubs survived to adulthood on survival mode
Find all collectables
Find all rocks
Find all branches
Find all flowers
Find all leaves
Find all mushrooms
Find all feathers
Start a fifth generation
Find the pink feather
Find the rose
Find the mammoth tusk
Find the fox skull
Find the blue feather
Find the pink flower
Find the siberian tiger skull
Start a third generation
Game Completed
All cubs survived to adulthood
Start a new family with one or more surviving cub
All collectables in the Mountains found
Find the Sea Shell
Find the Fossil
Find the Snake Skeleton
Find the Meteor
Find the Egg