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.
Rest 50 times in a camp.
Find 300 mushrooms.
Catch 160 fish.
Find 12 treasures.
Find 140 eggs.
Hunt down 65 wild animals.
Gather 15 barrels of algae.
Find 60 lost crates and barrels.
Find 25 crayfish.
Find 12 pearls.
Make 25 sun solutions.
Find 30 lost crates and barrels.
Destroy the Dark Lord.
Fight 12 battles.
Heal five people.
Own 5,000 gold coins.
Have 350 fame.
Find 150 mushrooms.
Help two ghosts.
Learn an expert skill.
Find father.
Build or repair 10 structures.
Pick 45 herbs.
Hunt down 25 wild animals.
Gather 40 sacks of night flowers.
Become a soldier.
Have 100 fame.
Catch 80 fish.
Get a boat.
Learn an advanced skill.
Finish the water mill.
Learn three skills.
Get a weapon.
Own 500 gold coins.
Make a barter.
Leave the home farm.
Saw 10 pieces of wood.
Get working tools.