The success of “Obsession” and “Backrooms” may mean some studio bosses will place a few more bets on original concepts rather than predictable franchises and sequels.

“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.