Have you ever explored a haunted house, found an omen card, rolled some dice, then BOOM, you became an evil monster intent on killing all of your friends? If you've played Betrayal at House on the Hill you have, and now there's even more ways for you to brutally betray your loved ones with this new expansion from Avalon Hill. If the haunt triggers just right, you'll be your group's Benedict Arnold, Kim Philby, Alger Hiss, or Wellington Yueh!