Hot off his summer horror hit Crawl, genre maestro Alexandre Aja has signed on to direct an untitled haunted house movie for Steven Spielberg's Amblin Partners, and the kicker is, it will be an interactive horror film featuring a branched narrative -- i.e. a choose-your-own-adventure-style horror movie. The film will be written by Jeff Howard (The Haunting of Hill House), Nick Simon (The Girl in the Photographs), and Aja, based on an idea by Howard and Mike Flanagan (Doctor Sleep). [caption id="attachment_317647" align="alignright" width="350"] Image via Relativity Media[/caption] To develop the …