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