Xenosaga: Episode I – Der Wille zur Macht is a role-playing video game for the Sony Playstation 2. Developed by Monolith Soft and published by Namco, it is the first entry in the Xenosaga trilogy. Set in a science fiction universe, players follow the story of scientist Shion Uzuki and the humanoid she's created, KOS-MOS. The game offers complex philosophical themes and narrative as players explore alien worlds, space stations and deal with a shadowy organization known as U-TIC. Known for its excellent character development and a vast gameplay system, Xenosaga is a masterclass in the RPG genre.