As part of Nightmare City, its monthlong festival of ghoulish cinema, Cinefamily is transforms its upstairs office into a temporary art gallery to showcase horror-themed blacklight posters. Check out the radiant popular artform once relegated to smoke-filled suburban basements. Comic artist Sammy Harkham does the curating. The opening night party on Oct. 12 at 7:30 p.m. features DJs picked by Mount Analog’s Mahssa Taghinia and a cauldron of psychedelic programming from Cinefamily’s band of basement dwellers. More information.