New Delhi, June 2 -- Young audiences turned out in droves to movie theaters around the country this weekend. It wasn't for the big budget "Star Wars" movie, "The Mandalorian and Grogu, " which fell sharply in its second weekend, however, but for a small budget horror from a 20-year-old first-time filmmaker that began on the internet.

"Backrooms," released by A24 in 3,442 locations in the U.S. and Canada, made an astonishing $81.5 million in its first three days in theaters, according to studio estimates on Sunday. That's just a few hundred thousand dollars shy of what "The Mandalorian and Grogu" earned in its first three days last weekend; And "Backrooms," which was directed and co-written by YouTube creator Kane Parsons, cost only $10 m...