NeoGAF members have uncovered a rough cut video of the unannounced Ubisoft title ‘Osiris’. The new video reveals a selection of concept art and various staged brawls between characters. According to members, there is a rough cut demo for the new game. The video was posted to the Vimeo account of composer Mark Kilian who is commissioned by Ubisoft Studios. The video is more than likely leaked images last year that Ubisoft was working on a new Prince of Persia title. Make of it what you will.