Here is the full list of all 16 Afterlifes achievements.
Create your first world
Find and loot a Mysterious Box
Clear a Matacina Camp
Craft your first item.
Craft and place a Campfire
Craft and place a Mill
Plant some seeds and wait for them to grow
Make a Water Collector
Craft and place a Foundry
Craft and place and Anvil
Kill a Matacina
Kill 10 Matacinas
Kill a 100 Matacinas
Kill 10 animals
Kill a 100 animals