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