Nina Williams is a character from Namco's Tekken game series. She is known to be a cold-blooded assassin who had made her very first appearance in the original Tekken game and since has appeared in every Tekken game released. She is one of only four Tekken characters to appear in each game along with Yoshimitsu, Paul Phoenix and Heihachi Mishimaand the only female character to have appeared in every installment. She is known to have an unstable relationship with her younger sister,Anna Williams. Nina Williams is known for her lethal fighting styles, consisting of many martial arts and fighting skills. Due to the success of the character, Nina Williams starred in her own spin-off game, Death by Degrees.
Death by Degrees is an action-adventure video game, developed by Namco. It is initially a spin-off from the Tekken series of fighting games. Originally announced with the title "Nina", its eventual title was chosen as a reference to its multiple-degree fighting system, the game was released for the PlayStation 2 in 2005.