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.
Find 60 lost crates and barrels.
Find 140 eggs.
Rest 50 times in a camp.
Have 350 fame.
Own 5,000 gold coins.
Fight 12 battles.
Find 300 mushrooms.
Find 12 treasures.
Help two ghosts.
Destroy the Dark Lord.
Hunt down 65 wild animals.
Catch 160 fish.
Find 12 pearls.
Heal five people.
Find father.
Build or repair 10 structures.
Pick 45 herbs.
Make 25 sun solutions.
Learn an expert skill.
Gather 15 barrels of algae.
Own 500 gold coins.
Gather 40 sacks of night flowers.
Find 25 crayfish.
Become a soldier.
Hunt down 25 wild animals.
Catch 80 fish.
Find 30 lost crates and barrels.
Find 150 mushrooms.
Have 100 fame.
Get a boat.
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.