Sedlec Ossuary, 16th Century AD. The Black Plague and Hussite Wars have overcrowded the graveyard. Help the Bone Collector, a half-blind monk, by exhuming graves and arranging the skulls inside the crypt. Honor the deceased's last wishes in this strategic game of skull-stacking. Draft skulls from the graveyard to expand your pyramid, fulfilling each skull type's unique requirement to maximize your score. This essential collection brings together the 18-card base game, the Monstrance expansion for solo play, and 4 expansions featuring new skull types for added variety.