 Voyage begins as Ardan <unk> in the shell and discovers his two dead companions : Barbicane and Nicholl . The first part of the game consists of Ardan investigating the shell , trying to regain his memory of what happened , and how Barbicane and Nicholl died , he will also encounter other problems , most notably when his oxygen supply is low and needs to be <unk> . Eventually Ardan 's journey will carry him into orbit around the moon in which he must prepare himself for a lunar landing . 
