for avid sci fi fan this movie be just what you have be wait for . watch this movie get you lose into the character and especially riddick and the movie bad guy . this be the case where you root for the bad guy and want to see him live and win . a you watch the survivor struggle to stay alive you long to see who live and how they survive these unknown creature that have take over this planet . an excellent movie and vin diesel do a wonderful job a convict riddick and the acting and suspense be ravish . a plus .