New town: Moonlight Falls
Enter the mysterious town of Moonlight Falls where strange things happen by the light of the moon. Create supernatural beings from menacing werewolves and cackling witches, to mischievous fairies and more intriguing vampires. Then stalk the night, use your wand to cast spells, claw the furniture and more. You can mix dozens of elixirs that can turn Sims into zombies or transform them into gold. Share your enchanted brews with any friends who have The Sims 3! Spooky surprises are in store for you in the world of The Sims 3 Supernatural!
A few more things I found in here about Sims 3 Supernatural: