In Horrorland Plaza click the moon, then the brown patch next to a tree.
In Horrorland Plaza look in the bins until you find a hammer. Go back to Werewolf Village and hit the worm at the gas tanks. You will now be able to play a hit-the-worm game.
In Vampire Village click on the wall opposite the stained glass windows.
Either get the card from the Werewolf's house and enter the number into the bank.
Submitted by Xander Anderson