7 , ▁and ▁as ▁of ▁March ▁ 2 0 0 8 , ▁the ▁Manh unt ▁series ▁has ▁collect ively ▁sold ▁ 1 . 7 ▁million ▁copies . ▁ ▁Game play ▁ ▁Manh unt ▁is ▁a ▁ste alth - based ▁urban ▁horror ▁sty led ▁game ▁played ▁from ▁a ▁third - person ▁perspective . ▁The ▁game ▁consists ▁of ▁twenty ▁levels , ▁called ▁" sc enes ", ▁as ▁well ▁as ▁four ▁un lock able ▁bonus ▁scenes . ▁Play ers ▁surv ive ▁the ▁scenes ▁by ▁dispatch ing ▁enemy ▁gang ▁members , ▁occasionally ▁with ▁fire ar ms , ▁but ▁primarily ▁by ▁ste alth ily ▁executing ▁them . ▁At ▁the ▁end ▁of ▁each ▁scene , ▁players ▁are ▁grad ed ▁based ▁on ▁their ▁performance , ▁and ▁awarded ▁one ▁to ▁five ▁stars . ▁Un lock able ▁content ▁becomes ▁available ▁only ▁when ▁the ▁player ▁ach ieves ▁three ▁or ▁more ▁stars ▁on ▁a ▁certain ▁number ▁of ▁levels . ▁On ▁normal ▁difficulty ▁( called ▁" F et ish "), ▁players ▁can ▁ear n ▁only ▁four ▁stars ; ▁one ▁is ▁awarded ▁for ▁comple ting ▁the ▁scene ▁under ▁a ▁certain ▁amount ▁of ▁time , ▁and ▁one ▁to ▁three ▁stars ▁are ▁awarded ▁based ▁on ▁the ▁brut ality ▁of ▁the ▁execution s ▁carried ▁out ▁during ▁the ▁scene . ▁On ▁hard ▁difficulty ▁( called ▁" H ard core "), ▁players ▁are ▁grad ed ▁out ▁of ▁five ▁stars ; ▁one ▁for ▁speed , ▁one ▁to ▁three ▁for ▁brut ality ▁and ▁one ▁for ▁simply ▁comple ting ▁the ▁scene . ▁To ▁gain ▁the ▁maximum ▁number ▁of ▁stars , ▁a ▁set ▁number ▁of