Xenosaga Episode II: Jenseits von Gut und Böse is a 2004 role-playing video game developed by Monolith Soft for the PlayStation 2. It was published in Japan (2004) and North America (2005) by Namco, and in Europe by Sony Computer Entertainment Europe (2005). It is the second entry in the Xenosaga trilogy, and forms part of the wider Xeno metaseries. Continuing directly from the events of Xenosaga Episode I, Xenosaga Episode II sees protagonists Shion Uzuki and Jr. continuing to combat the plots of the U-TIC Organization and the insane Albedo Piazzolla. Gameplay is carried over from the first game, featuring exploration of environments through a linear narrative, while battles follow a turn-based system featuring a system of button combinations, multiple leveling systems, and combat featuring both the characters on foot and piloting large mecha called "E.S.".

Monolith Software Inc., trading as Monolith Soft, is a Japanese video game development studio originally owned by Namco until being bought out by Nintendo in 2007, best known for the Xenoblade Chronicles series of games. The company was founded in 1999 by Tetsuya Takahashi with the support and cooperation of Masaya Nakamura, the founder of Namco. Their first project was the Xenosaga series, a spiritual successor to the Square-developed Xenogears. Multiple Square staff would join Takahashi at Monolith Soft including Hirohide Sugiura and Yasuyuki Honne.