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