If you dare to unlock scary content in the LEGO Monster Fighters online game, you need to be equipped with special codes from the LEGO Monster Fighters products. You will never know where the scary content hides, but it will be watching you, muahahah...

Find the codes in BUILDING INSTRUCTIONS of 9463 - Werewolf, 9464 - Vampyre's Hearse, 9466 - Crazy Scientist Laboratory, 9467 - Ghost Train and 9468 Vampire's Castle.