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