▁st unning ▁and ▁hits ▁the ▁mark ▁in ▁so ▁many ▁ways , ▁it ' s ▁b aff ling ; ▁they ▁promised ▁us ▁we ' d ▁experience ▁future ▁war , ▁and ▁we ▁have ... ▁and ▁come ▁away ▁sh aking ." ▁Other ▁review ers ▁c ited ▁ ▁technical ▁problems ▁with ▁Kill zone , ▁including ▁incons istent ▁A I , ▁occas ional ▁bugs , ▁frame - rate ▁issues , ▁dist ract ing ▁graph ical ▁gl itch es , ▁repet ition ▁of ▁the ▁same ▁voices , ▁short ▁draw ▁distance , ▁and ▁an ▁awk ward ▁control ▁system . ▁Crit ics ▁also ▁compla ined ▁about ▁the ▁game play , ▁with ▁I GN ▁label ing ▁it ▁" under wh el ming ▁and ▁medi oc re " ▁and ▁In to ▁Li qu id ▁Sky ▁stating ▁that ▁it ▁needs ▁" more ▁ref in ement ". ▁Sar cast ic ▁G amer ' s ▁" How ▁to ▁Kill ▁a ▁Brand " ▁( a ▁par ody ▁of ▁How ▁to ▁Save ▁a ▁Life ) ▁critic ized ▁Kill zone , ▁saying ▁it ▁didn ' t ▁des erve ▁a ▁sequ el . ▁ ▁Kill zone : ▁Liber ation ▁received ▁positive ▁reviews , ▁ear ning ▁I GN ' s ▁award ▁for ▁Best ▁P SP ▁Off line ▁Multi player ▁Game ▁of ▁ 2 0 0 6 . ▁ ▁Kill zone ▁ 2 ▁received ▁critical ▁acc laim ▁upon ▁release ▁with ▁a ▁Game R ank ings ▁score ▁of ▁ 9 0 . 5 6 %, ▁and ▁a ▁Met ac rit ic ▁score ▁of ▁ 9 1 / 1 0 0 . ▁ ▁Kill