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