James Cameron effects. The film was originally scheduled to be released in May 2009 but was pushed back to December 2009 to allow more time for post-production on the complex CGI and to give more time for theatres worldwide to install 3D projectors. Cameron originally intended "Avatar" to be 3D-only. "Avatar" broke several box office records during its initial theatrical run. It grossed $749.7 million in the United States and Canada and more than $2.74 billion worldwide, becoming the highest-grossing film of all time in the United States and Canada, surpassing Cameron's "Titanic". "Avatar" also became the first movie to ever earn
Titanic (1997 film) drama." "Titanic" garnered mainly positive reviews from film critics, and was positively reviewed by audiences and scholars, who commented on the film's cultural, historical and political impacts. On review aggregator website Rotten Tomatoes, the film has an approval rating of 88% based on 178 reviews, with a rating average of 8/10. The site's critical consensus reads, "A mostly unqualified triumph for Cameron, who offers a dizzying blend of spectacular visuals and old-fashioned melodrama." At Metacritic, which assigns a weighted mean rating to reviews, the film has a score of 75 based on 34 critics, indicating "generally favorably reviews". Audiences polled