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