Mad Max received a polarized reception upon its release in April 1979, although it won three AACTA Awards and attracted a cult following, while its critical reputation has grown since. Filmed on a budget of A$0.4 million, it earned more than US$100 million worldwide in gross revenue, and held the "Guinness" record for most profitable film. The success of "Mad Max" has been credited for further opening up the global market to Australian New Wave films. The film became the first in the "Mad Max" series, giving rise to three sequels, "Mad Max 2" (1981), "Beyond Thunderdome" (1985), and "" (2015). "A
Mad Max 2 Max sequel should be: bigger, faster, louder, but definitely not dumber." Film critic Roger Ebert of the "Chicago Sun-Times" gave the film three-and-a-half stars out of four, praised its "skillful filmmaking," and called it "a film of pure action, of kinetic energy", which is "one of the most relentlessly aggressive movies ever made". While Ebert pointed out that the film does not develop its "vision of a violent future world ... with characters and dialogue", and uses only the "barest possible bones of a plot", he praised its action sequences. Ebert called the climactic chase sequence "unbelievably well-sustained" and states