Here is the full list of all 12 Wailing Heights achievements.
Encore!
We are Deadbeats!
You found all the limericks!
You're a mean vampire
Ordered everything from the Zombie Shop.
Why can't I understand this zombie?
Zombie talk at the water fountain.
Found the book, lost your body.
You exchanged all the ball talk.
You have successfully completed the tutorial.
Good hunting. You found all extras in the game.
Exhausted your interrogation techniques.