The international success of "Xenosaga Episode I" prompted Namco to offer developer MonolithSoft more support, with Namco's then-Vice President Yoichi Haraguchi to name the company as a valuable development partner alongside Namco Tales Studio. A manga adaptation was written by Atsushi Baba and published through "Monthly Comic Zero Sum". The manga was released by the comic's publisher Ichijinsha across three volumes between 2004 and 2006. Following the release of "Episode I", a supplementary disc was created titled "Xenosaga Freaks". Released on April 28, 2004, "Freaks" is split into four segments; a visual novel segment featuring multiple characters from the game, a minigame dubbed "XenoPitten", a dictionary that explains the game's terminology, and a demo for the game's official sequel. "Freaks" was part of a movement with the "Xenosaga" series to turn it into a multimedia franchise, with the project growing substantially larger than previously planned.