<Tr> <Th> Budget </Th> <Td> $120 million </Td> </Tr> <Tr> <Th> Box office </Th> <Td> $421.8 million </Td> </Tr> <P> Rampage is a 2018 American science fiction monster film directed by Brad Peyton, and loosely based on the video game series of the same name by Midway Games . The film stars Dwayne Johnson, Naomie Harris, Malin Akerman, Jake Lacy, Joe Manganiello, and Jeffrey Dean Morgan . It follows a primatologist named Davis Okoye who must team up with George, an albino gorilla who turns into a raging creature of enormous size as a result of a rogue experiment, to stop two other mutated animals from destroying Chicago . It is the third collaboration between Peyton and Johnson, following Journey 2: The Mysterious Island (2012) and San Andreas (2015). </P> <P> Principal photography began in April 2017 in Chicago . The film was released in the United States on April 13, 2018, by Warner Bros. Pictures and New Line Cinema, in 2D, RealD 3D and IMAX 3D formats . It has grossed over $421 million worldwide, making it the seventh highest - grossing film of 2018 . It received mixed reviews from critics, with praise for Johnson and Morgan's performances and the visual effects, and criticism for the screenplay; it is the all - time best reviewed film based on a video game, according to Rotten Tomatoes . </P>

Is the movie rampage based on real events