Here is the full list of all 76 Townsmen achievements.
Defeat 4 bandits with one single soldier in a fight
Lose every burnable building on the map to fire.
Prevent all bandit raids in a scenario
Win 100 fights against bandits
Have a full watchtower coverage for a 100 Townie city.
Play for 1000 minutes
Lose 100 buildings to fire
Extinguish 100 burning buildings
Finish the scenario "Warridden"
Finish the scenario "Monumental"
Finish the scenario "Farmland"
Finish the scenario "Brew"
Defeat 50 bandits
Finish the scenario "Girls Desires"
Finish the scenario "Behind Blinders"
Finish the scenario "Kings Bet"
Finish the scenario "Draught"
Finish the scenario "Insurgents"
Finish the scenario "Trading Post"
Finish the scenario "Disease"
Complete 250 quests
Finish the scenario "Wedding"
Finish the scenario "Harsh Winter"
Finish the scenario "Economy Crisis"
Finish the scenario "Latefall"
Finish the scenario "Tournament"
Complete 150 quests
Finish the scenario "Basic Training"
In a scenario, don't lose a single building to fire.
In a scenario, don't lose a single Townie to the plague.
Earn 2500 Prestige by completing quests
Play for 500 minutes
Produce 250 weapons and 250 armors
Reach a population of 500
Complete 50 quests
Earn 750 Prestige by completing quests.
Complete 50 researches
Collect taxes: 1000000 Thaler
Play for 300 minutes
Reach a population of 300
Cure 100 Townies from the plague.
Build 100 buildings
Earn 250 Prestige by completing quests.
Produce 1000 jewels
Repair 500 buildings
Produce 1000 clothes
Brew 1000 beers
Produce 500 jewels
Produce 500 clothes
Reach a population of 200
Produce 200 jewels
Build 75 buildings
Collect taxes: 100000 Thaler
Produce 1000 sausages
Produce 1000 tools
Produce 1000 bread
Produce 200 clothes
Produce 500 tools
Play for 120 minutes
Collect taxes: 50000 Thaler
Repair 150 buiildings
Produce 500 bread
Build 50 buildings
Produce 200 tools
Reach a population of 100
Produce 200 bread
Repair 50 buildings
Play for 60 minutes
Collect taxes: 10000 Thaler
Reach a population of 50
Build 25 buildings
Build 10 buildings
Complete 5 researches
Collect taxes: 1000 Thaler
Finish the tutorial
Complete your first research