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