Here is the full list of all 29 Life is Feudal: Forest Village achievements.
Finish 50 expeditions
Kill 50 wild animals on farms with livestock
Reach a population of 2000 people
Build 1000 buildings
Create 1000 places for housing
Get training
Reach a population of 500 people
Build 500 buildings
Build 1000 decorations
Use abilities 500 times
Build 200 decorations
Train 1000 people
Build 20 castle buildings
Create 250 places for housing
Build 100 castle walls
Grow 1000 cows
Build 50,000 meters of pasture
Plant 100 trees
Spend 1001 night in the game
Grow 5000 chickens
Train 300 people
Sow 100,000 meters
Buy 10,000 products on the market
Build a Keep
Build a Market
Build 100 buildings
Reach a population of 100 people
Kill 100 wild animals in first person
Build a port