Pandemonium is a post-apocalyptic and action-adventure horror video game series and media franchise published by Ubisoft and developed mainly by its studio Ubisoft Montreal using the game engine Anvil and its more advanced derivatives. The first Pandemonium game begins in Beijing in either August 1997 or November 2002 during the alternate event where scientists had created a contagious disease that induces homicidal rage in those infected with aggression and extreme violence with an accidental release from a laboratory in China by protesters, rioters and activists had resulting an epidemic causes widespread societal collapse of China, while Hong Kong and Macau remained. The rest of the world had an impact of the outbreak, and the efforts of survivors to endure both the infected and the consequences of a rapidly disintegrating society where the name of the virus called "The Great Purge" which eradicates healthy humans with mass extinction after the civil unrest with mass riots, looting and civil disorder by the world government leaders including the President George W. Bush after China was completely desolated with crazed survivors and savage infected that spreads rapidly through the Chinese mainland, while Hong Kong and Macau are protected and uninfected island.
