Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Challenge accepted	Beat "Restoring the peace" on "Challenging" difficulty preset.
Cheerful Metropolis	Reach 100% approval in a "large town".
Defeat Hildebolt	Defeat the baron in the "Restoring the peace" scenario.
For Whom the Bell Tolls	Change the church bell sound.
Full Retinue	Employ 24 retainers.
Mercenary Captain	Beat "Restoring the peace" with Mercenary units only.
Restore the Peace	Finish the "Restoring the peace" scenario.
Start the game	Big success!
Survive the first year	Face the winter and have your settlers not abandon you.
The merchant	Get to a "small town" settlement level without hunting or gathering berries.
The vigilantes	Destroy a squad of brigands with a squad of militia in a non battle game mode.