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