

The game was later released on the PlayStation 4 in 2002 (March 28 in Japan, September 13 in Europe, and September 23 in North America), adding a new system of unlocking characters (with two additional hidden characters), an update to the previous installment's "Tekken Force" minigame, and an updated Arcade mode (known as "Story Battle", featuring bonus cutscenes).

Tekken 4 introduces a significant new gameplay changes from the previous Tekken games. For the first time, players are able to maneuver around an arena and interact with walls and other things for extra damage. This new feature allows players to juggle with their opponent for consecutive combos. Position changes and moving before the fight starts were also introduced in Tekken 4, but later removed in future iterations. The game also introduces a brand new graphics system, that had increased lightning, smoother surfaces, and dynamic physics. Tekken 4 brings back "Tekken Force" a beat 'em up minigame with enhanced new features. Players were also allowed to maneuver their opponents around during a match but pressing the left punch and right punch simultaniously along with a respective directional button, this was taken out in tekken 5 and given to Steve Fox as a special throw.

Lee Chaolan (hidden unlockable, first unlocked as his alter-ego "Violet" after 3 weeks active in the Arcade version or after 2 character completions in the PS2 version, then unlocked as his normal self after 9 weeks active in the Arcade version or after 8 character completions in the PS2 version).Nina Williams (hidden unlockable, unlocked after 4 weeks active in the Arcade version or after 3 character completions in the PS2 version).Lei Wulong (hidden unlockable, unlocked after 5 weeks active in the Arcade version or after 4 character completions in the PS2 version).Bryan Fury (hidden unlockable, unlocked after 6 weeks active in the Arcade version or after 5 character completions in the PS2 version).
