A24’s “Backrooms” — from 20-year-old Kane Parsons — broke box office records this weekend, marking the latest example of an indie horror hit helmed by a YouTuber.

“Backrooms,” a psychological horror flick opening this weekend, is part of a wave of breakout films from fledgling directors who honed their instincts on YouTube.

Filmmakers like Kane Parsons are getting their start on YouTube, before moving to bigger productions.