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