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