Here is the full list of all 31 Going Medieval achievements.
Survive Until the First Winter
Hunt 5x Wolves
Unlock 10x Research Items
Store 20,000 Nutrition
Hunt 20x Deer
Hunt 20x Hares
Survive Until the First Autumn
Dismantle 5x Items
Store 10,000 Nutrition
Build an Enclosed Room
Harvest 200 Crops
Survive Until the First Summer
Unlock 5x Research Items
Hunt 5x Deer
Hunt 5x Hares
Store 5000 Nutrition
Unlock 3x Research Items
Survive for Seven Days
Survive the First Raid
Kill a Raider
Harvest 50 Crops
Produce a Meal at a Campfire
Harvest 5 Crops
Survive the First Day
Build a Wooden Beam
Unlock First Research Item
Survive a Full Year
Gather 10x Settlers
Dismantle 50x items
Unlock 25x Research Items
Hunt 20x Wolves