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