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