A stand-alone role-playing book with two settings for use with the Engle Matrix System. From the cover: A horror game set in Arkham Asylum. A Horror Matrix Game by Chris Engle. Don't Open the Door! Welcome to Arkham Asylum. Clearly you are in need of a rest. Seeing things in the dark , are we? Hearing evil voices in your head? We can help you with these. All you have to do is open this door... Arkham Terror is a horror game where the insane residents of a psychiatric hospital get to save the world from the Great Old One- Cthulhu! This is a Matrix Game, so literally anything can happen. Players tell the story by making up what they want to have happen next! Also featured: Cthulhu in Class What would happen if you built a High School on top of a cosmic convergence? Well, in Arkham they did just that! Welcome back to school Mr. Cthulhu...