Tekken 4 is a fighting video game developed and published by Namco in 2001. It is the fourth installment in the popular Tekken series and features a roster of 23 characters, including returning favorites like Heihachi Mishima and Jin Kazama. The game introduced new gameplay mechanics, such as the ability to sidestep and a more interactive environment. The game is set in various locations, each with unique backgrounds and hazards. Tekken 4 also includes a story mode that explores the characters' narratives and motivations. The graphics were improved from previous versions, showcasing more detailed character models and animations.