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