Here is the full list of all 12 Wailing Heights achievements.
Good hunting. You found all extras in the game.
Encore!
We are Deadbeats!
You found all the limericks!
Exhausted your interrogation techniques.
Ordered everything from the Zombie Shop.
You're a mean vampire
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.