Arkham Horror: The Scarlet Keys Campaign ExpansionNumber of Players: 1 4 The tale of The Scarlet Keys begins in Arkham with a spread of mysterious disappearances. As objects, animals, and people vanish, so too do they disappear from the memory of those left behind. Only you and your fellow investigators remember themor so you thought. When an enigmatic letter arrives, its author claiming to also remember those who disappeared, it marks the beginning of an epic journey that will take you across the