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