And the final boss, like the first game, is simply Heihachi rather than some sort of Humanoid Abomination. Neither Angel nor Devil are playable characters. Ogre, instead of being an ancient god, is a "bioweapon." The Ridiculously Human Robot, Jack, was replaced by the Clockwork Creature, Combot.
For example, the Mishima Clan's Devil powers seem to be attributed to a genetic mutation. Most soft sci-fi and blatantly supernatural elements are downplayed or eliminated entirely.
Book Dumb: In Xiaoyu's ending, Miharu apparently failed all of her college entrance exams.In the latter, Heihachi successfully captures both Jin and Kazuya and presumably enacts his plan to create the ultimate lifeform. In the former, Kazuya absorbs Jin's Devil Gene power and becomes an even more powerful Devil. The Bad Guy Wins: Kazuya's and Heihachi's endings.It's unknown how, though the Devil Gene is implied to have had a hand in it. Back from the Dead: The G Corporation found Kazuya's body preserved at the bottom of a volcano and resurrected him.Athletic Arena Level: Arena, the Final Boss stage, is a wrestling ring where the finalist for the fourth King of Iron Fist tournament faces against Heihachi.New characters: Christie, Combot, Marduk, Miharu, Steve, Violet.From Tekken 3: Bryan, Eddy, Hwoarang, Jin, Julia, King II, Kuma II, Panda, Xiaoyu.From Tekken: Heihachi, Kazuya, Law, Lee, Nina, Paul, Yoshimitsu.