Mansions of Madness is a fully collaborative board game of horror and investigation. 1 to 5 players play the role of some investigators who explore the dark rooms of Arkham's haunted mansions and other sinister places to uncover strange secrets, solve infernal puzzles and fight against otherworldly dangers. Mansions of Madness also includes a bonus conversion kit that will allow fans of the first edition to use their investigators, monsters and map tiles with this new edition.