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