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