Tekken titles are usually released originally in arcades, before being released on video game consoles a year later the series is largely exclusive to the PlayStation series of consoles, and the arcade machines run on PlayStation-based hardware. The games take place in a fictional universe and follow an ongoing story that involves an annual martial arts tournament called The King of Iron Fist Tournament, organised by Mishima Zaibatsu conglomerate owner Heihachi Mishima, in which contestants fight for control of the corporation and prize money. The series debuted in 1994 with the arcade version of Tekken and is one of the genre's and Namco's best-selling franchises, with over 33 million units sold, and is the 30th best-selling franchise of all time as of 2009. Tekken is a fighting video game series developed by Namco and published by Namco Bandai. Please help update this article to reflect recent events or newly available information.