Here is the full list of all 20 A World of Little Legends achievements.
Open the developer info.
Aquire copper ingots.
Create your first world.
Be a badass catboy viking.
Aquire gold ingots.
Get moon bells.
Find pumpkins.
Find carrots.
Find potatos.
Bake some apple pie.
Craft a cauldron.
Gather wood.
Craft a gold leaves dress.
Get an ancient stone.
Gather stone.
Aquire loam.
Aquire iron ingots.
Create farmland.