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