The numbers are in, and they are staggering. "Backrooms" opened to $81.4 million domestic and $118 million worldwide this weekend — the biggest debut in A24's history, roughly three times the studio's previous record-holder, "Civil War."
It does not stop there. The film has already crossed $200 million globally, making it A24's highest-grossing release ever, full stop.

Industry watchers are circling one stat in particular: this is the biggest original, non-IP horror opening in history. No sequel. No franchise. No pre-sold brand. Just a nightmare built from scratch.
Previews alone pulled a record $10.4 million.

From YouTube Uploads to Box-Office History
The man behind it is 20-year-old Kane Parsons, who adapted the film from his own viral YouTube liminal-space series. The endless yellow hallways, the buzzing fluorescent dread, the feeling of being lost somewhere that should not exist — it started as web shorts. Now it is a cultural event.
Parsons becomes the youngest person ever to direct a No. 1 film. Let that sit for a second: a creator who built an audience uploading clips is now rewriting the record books alongside the most established names in the business.
The story tracks an internet-born mythology — the "backrooms," a fictional space of infinite, off-kilter rooms you stumble into when reality glitches. It is the kind of concept that lives or dies on atmosphere, and audiences clearly bought in.
For A24, the win reframes everything. The studio has long traded on prestige horror and arthouse cred. This is something else: a four-quadrant smash pulled from a Gen Z creator's hard drive.
The original-horror angle matters most. Hollywood spent years insisting audiences only show up for known brands. "Backrooms" just torched that argument in a single weekend.
The $118 million global start. The $200 million-plus total. The record previews. The youngest-ever chart-topper. Pick your headline — they all point the same direction.
More as it develops.




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