The movie 'Backrooms' has had a strong box office performance, with its monday earnings being the best ever for an r-rated horror film in june. The film's overall opening is reported to be a record for a24, with some outlets stating it has earned over $81 million in the us and over $118 million worldwide. However, reports of other movie openings, including 'scary movie' and 'masters of the universe', suggest a busy box office period with varying results for different films.