Nickelodeon OMG Zombies

Game description:

When the Halloween evening comes, youngsters come at your doors and shout: trick or treat! That’s a cute tradition that makes this holiday pretty special. However, have you ever thought that a real vampire, ghost, or zombie can come to you place and knock your door? As you understand, they can pretend to be someone else, but each time you can distinguish that something that reveals their real nature. In this game, you are going to meet Nickelodeon characters visiting you for candies. Some of them are monsters. Can you guess, who exactly?