Several outlets are reporting on the highest-grossing horror movies, with some focusing on specific time periods such as the past decade or recent years. Some horror movies, including Obsession and Backrooms, have achieved notable box office successes, with Backrooms setting a record for an R-rated horror movie in June. The rankings and lists of top-grossing horror movies vary across outlets, with some including films from the 2010s and others focusing on more recent releases.