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