After the Collapse achievements

Kill 20 bandits.

Kill 20 mantises.

Kill 20 crabs.

Kill 20 lizards.

Kill 20 spiders.

Lose a best friend.

Grow your settlement's population to 20 Survivors.

Grow your settlement's population to 40 Survivors.

Manage to lose your settlement within a day.

Play a save that was uploaded to the Workshop.