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