Code Geass was a series.
Code Geass . Set in an alternate timeline , the series focuses on how the former prince Lelouch vi Britannia obtains a power known as Geass and decides to use it to obliterate the Holy Britannian Empire , a superpower that has been conquering various countries . Released to critical acclaim , the anime television series has been well received in Japan , selling over a million DVD and Blu-ray Disc volumes . Critics have praised the series for its large audience appeal as well as the cross conflicts shown among the main characters and the moral questions presented .