Here is the full list of all 12 Our Mother's house achievements.
You were able to survive one night but can you do better than that?
Successfuly survive the night without being hit.
Successfuly survive with your sister alive.
Successfuly survive but your sister is dead.
Successfuly survive but your sister is possessed.
Save everyone and survive.
Save the mother but not the sister.
Save the mother but not the sister is possessed.
Save the sister but kill the mother.
Kill everyone.
Mother is dead and sister is possessed.
Start a new game.