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