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