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