Here is the full list of all 13 The Chaput's Baby achievements.
You got into the house
You found 1 Ms. Pig
Follow the recipe for a good soup
Make a special soup.
I know from what game you learned this.
You cracked the code.
You found all Ms. Pig
Finish the game without turn the basement lights on.
Missing since 2009
Escape from the house.
Simple like that.
You found Odeth's diary.
You sealed the evil.