Here is the full list of all 57 Hero of the Kingdom III achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Get the mining skill to 100.
Mine 50 pieces of silver ore.
Mine 50 pieces of iron ore.
Hunt down 150 wild animals.
Get the lockpicking skill to 100.
Get the fishing skill to 100.
Find 24 pearls.
Find 120 lost crates and barrels.
Pick 300 flowers.
Pick 60 locks.
Get the herbalism skill to 100.
Achieve 140 fame.
Catch 100 fish.
Make 80 weapons or shields.
Get the smithing skill to 100.
Make 10 swords.
Make 600 various potions.
Get the alchemy skill to 100.
Find 800 mushrooms.
Find 400 eggs.
Make 100 healing potions.
Cook 8,000 food.
Find some treasure.
Defeat Earthquaker.
Kill 300 monsters.
Get the archery skill to 100.
Get the combat skill to 100.
Gather 100 berries.
Destroy all of the orc camps.
Pick 15 locks.
Visit the Azure Valley.
Get the cooking skill to 100.
Hunt down 20 foxes.
Achieve 70 fame.
Learn the mining skill.
Learn the smithing skill.
Visit the Gray Valley.
Learn the lockpicking skill.
Kill 150 monsters.
Have at least 1,000 strength.
Find 30 lost crates and barrels.
Catch a golden fish.
Find 200 mushrooms.
Find 100 eggs.
Cook 2,000 food.
Find 6 pearls.
Learn the alchemy skill.
Learn the herbalism skill.
Save the mayor of the Yellow Valley.
Have 5,000 gold coins.
Visit the Yellow Valley.
Kill 50 monsters.
Hunt down 20 rabbits.
Have at least 100 strength.
Learn the fishing skill.
Learn the cooking skill.
Have 1,000 gold coins.