Here is the full list of all 50 Hearthlands achievements.
Have 12 vassals.
As Easterners have 10000 employed workers for 5 years.
As Easterners kill 50 mounted units using spearmen in one game.
Have 20000 population.
Have 50 technologies researched before the end of year 25.
As Easterners produce 500 loads of cider in one year.
Have 16 full squads before the end of year 20.
Have 50 houses at maximum level before the end of year 10.
Destroy the evil fortress.
Defend your city against the undead army.
Have 12 rivals and fulfill all their requests (including tribute) for 10 years. Rivals can't be passive.
As Westerners produce 5000 units of food in one year.
Have 10000 population.
As Westerners collect 250000 coins in taxes in one year.
Intercept 25 goblin thieves or burglars in one game.
Have 5000 population for 10 years.
Produce 1000 loads of luxury resources in one year.
Have 20 houses at maximum level for 5 years.
As Westerners kill 100 enemies using archers in one game.
Kill the dragon and destroy his lair.
Defend your city against the dragon.
Sell 500 loads of goods in one year.
Have 10000 fame.
Defend your city against invaders.
Destroy a graveyard.
Have 500000 coins.
Destroy the goblin stronghold.
Have 1000 population and city reputation of 90+ for 20 years.
Have 5000 population.
As Northerners kill 100 enemies in one year.
Have 2000 population and no plague for 10 years. Plague has to be enabled.
Defend your city against goblins.
Destroy the goblin village. Poor bastards.
Conquer a rival city.
Have one full squad of each unit type.
Kill an elemental.
As Northerners hunt down 100 animals in one year.
Kill a troll.
Make your troops turn on you by not paying the upkeep.
As Southerners have 25 fountains.
Have 1000 population and no deaths among civilians for 10 years.
As Southerners sell 250 loads of wine in one year.
Kill a warlock.
Complete the tutorial.
Watch your city burn.
Become someone's vassal.
Play until year 100.
As Southerners have 75 power.
As Northerners produce 150 loads of weapons and armor in one year.
Have 12 rivals and have positive opinion with every one of them for 5 years.