These costumes range from serious fighting garb to outlandish fantasy costumes.Tekken 4 features nine different gameplay modes. Like past Tekken games, each character has an array of costumes to select from. Some of these fighters are locked, requiring players flex their skills to fulfill certain requirements in order to play them. New fighters like Steve Fox, Craig Marduk, and Christie Monteiro make their debut in Tekken 4. Fighters like Eddy Gordo, Nina Williams, Kazuya Mishima, Lee Chaolan, Heihachi, and Ling Xiaoyu return from the previous Tekken game. Players perform these attacks by pressing combinations of buttons. Characters can string these moves into intense combos that can reduce an opponent's life meter quickly, and the vibration function gives each hit extra impact. Like most fighting games, each character in Tekken 4 has unique moves. Tekken 4 is a one-on-one fighting game for 1 to 2 players.

He launches a new King of the Iron Fist Tournament to draw his foes out of hiding with his dark games. This gene resides in his father and grandson, Kazuya and Jin, respectively. In this installment of Tekken, Heihachi Mishima is attempting to use the devil gene for his dark experiments. The game was developed and published in-house by Namco. Tekken 4 is the first Tekken game in the core series released for the PlayStation 2 and the fifth release overall in the legendary fighting franchise.