Question: is the movie rampage based on real events

Answer: No, 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).