Carcosa is a science-fantasy role-playing game setting with a sandbox approach: whether heroic or opportune, adventurers of all stripes will find freedom and consequence worth their mettle in a horrifying milieu mixing adventure fantasy, the Mythos, and comic book sci-fi with no punches pulled.

Carcosa is compatible with Lamentations of the Flame Princess Weird Fantasy Role-Playing game and other old school fantasy adventure games. This expanded edition details 800 encounters on the 400-hex map and includes the starter adventure Fungoid Gardens of the Bone Sorcerer!