Here is the full list of all 38 Hero of the Kingdom achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Rest 50 times in a camp.
Hunt down 65 wild animals.
Catch 160 fish.
Find 300 mushrooms.
Find 60 lost crates and barrels.
Own 5,000 gold coins.
Make 25 sun solutions.
Find 12 treasures.
Find 140 eggs.
Find 12 pearls.
Help two ghosts.
Gather 15 barrels of algae.
Gather 40 sacks of night flowers.
Destroy the Dark Lord.
Fight 12 battles.
Have 350 fame.
Find 30 lost crates and barrels.
Pick 45 herbs.
Heal five people.
Learn an expert skill.
Build or repair 10 structures.
Find 25 crayfish.
Find father.
Find 150 mushrooms.
Hunt down 25 wild animals.
Own 500 gold coins.
Become a soldier.
Catch 80 fish.
Get a boat.
Have 100 fame.
Learn an advanced skill.
Finish the water mill.
Learn three skills.
Get a weapon.
Make a barter.
Leave the home farm.
Saw 10 pieces of wood.
Get working tools.