Tekken 4 is a fighting game developed and published by Namco as the fourth main and fifth installment in the Tekken series, following the release of the non-canon titled Tekken Tag Tournament in 1999. It was released on arcades in 2001, and on the PlayStation 2 in 2002. Placing distinction on the plot in the console version, the tone of Tekken 4 was noticeably darker than other installments of the series. The game also harbored many gameplay revisions, such as the series-unique ability for the player to move about before the round begins and the introduction of walled stages. There are up to twenty-three characters to choose from, including six newcomers. The game's story reveals that Kazuya has been revived following his death 20 years prior and enters the King of Iron Fist Tournament 4 to take back the Mishima Zaibatsu. Tekken 4 received generally favorable reviews. Community reception was generally negative, with competitive players pointing out its balancing and gameplay issues. However in recent years, Tekken 4 has been widely praised for its innovation, atmosphere and attention to detail. Its sequel, Tekken 5, was released in 2004.