Xenosaga Pied Piper is a game for cell phone only released in Japan. It develops the background of Ziggy, aka Jan Sauer, when he was a policeman on Abraxas (Michtam).
Characters
An English translation of the script done by Chaoslace is available here :
http://zarathustra.kaisho.org/ (not available on 2016/08/28) - Alternative link Alternative link 2 Alternative link 3
Furthermore, a fan-manga is currently ongoing. The author is フォレスト ( ~ Forest). Actually, it's a video-manga, which can be watched here : http://www.nicovideo.jp/mylist/9494773
This fan-manga has been translated by kare_reiko, porimac and meishu. The translated scans can be read here :
Chapter 1 : Read Online+Download
Chapter 2 : Read Online+Download
Chapter 3 : Read Online+Download
Chapter 4 : YouTube link
Chapter 5 : Coming soon
Chapter 6 : Currently being made by the author
