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
Start a fifth generation
All cubs survived to adulthood
Start a new family with one or more surviving cub
Start a third generation
Game Completed
Find all feathers
Find all rocks
Find all collectables
Find all branches
Find all flowers
Find the mammoth tusk
Find the siberian tiger skull
Find all leaves
Find all mushrooms
Find the rose
Find the pink feather
Find the blue feather
Find the pink flower
Find the fox skull
All collectables in the Mountains found
Find the Fossil
Find the Meteor
Find the Snake Skeleton
Find the Egg
Find the Sea Shell