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