Hell House LLC (2015)

It explores the aftermath of a tragic Halloween haunted house tour where 15 people died due to an unexplained malfunction. Five years later, a documentary crew investigates the incident, delving into the chilling mysteries surrounding the haunted house's opening night. As they unravel the eerie events, the film builds tension, combining found footage elements with supernatural horror to deliver a spine-tingling narrative that keeps viewers on the edge of their seats.