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