#Backrooms is headed for one of the biggest horror openings ever. 💰 The #KaneParsons-directed viral YouTube adaptation earned $10.4 million from Thursday previews in 3,442 locations, with independent projections now estimating a $75 million opening weekend, putting it within reach of “The Mandalorian and Grogu’s” $81.6 million opening despite its R rating. Read more at the link in bio. Photo: A24