Oni - Used by Rockstar Games

Oni, for the PlayStation 2 computer entertainment system, takes place in a multi-elevation 3D urban jungle designed by architects for maximum realism and consistency. With art drawn by anime specialists and code written by some of the brightest talents in 3D graphics, Oni will undoubtedly challenge players' conceptions of what is possible in a videogame.
Complex technologies bring Oni's world to stunning life. Radiosity effects paint the setting with natural light. Oni uses interpolation in its character animations, which means that Konoko can sprint forward, tuck into a dive roll, and then pop up into a flying kick, all in one smooth, continuous movement, reacting instantaneously to the controls.
Oni tells the story of Konoko, an elite cop and one-woman SWAT team whose approach to fighting crime is a devastating combination of rational calculation and fighting fury. She is also a woman divided and haunted by shadows in her past, by oni (or demons in Japanese). Oni seamlessly blends