m h z ▁or ▁higher . ▁ ▁Six - person ▁L AN ▁multi player ▁was ▁advert ised ▁on ▁the ▁original ▁box ▁but ▁was ▁not ▁included ▁with ▁the ▁game . ▁The ▁multi player ▁patch ▁promised ▁by ▁inser ts ▁in ▁the ▁game ' s ▁pack aging ▁did ▁not ▁appear ▁until ▁several ▁months ▁after ▁the ▁launch ▁and ▁was ▁never ▁included ▁in ▁any ▁ret ail ▁version . ▁ ▁Because ▁of ▁a ▁qu irk ▁of ▁the ▁installer ▁supplied ▁with ▁the ▁game , ▁a ▁specific ▁Direct X ▁ 3 ▁component ▁( d 3 dh alf . dll ) ▁must ▁be ▁present ▁in ▁the ▁Windows \ System ▁directory ▁( on ▁Windows ▁ME ▁and ▁before ) ▁in ▁order ▁to ▁complete ▁normal ▁installation . ▁This ▁file ▁can ▁be ▁found ▁in ▁the ▁Direct X ▁directory ▁of ▁the ▁Ro cket ▁J ockey ▁CD , ▁has ▁been ▁provided ▁on ▁Ro cket ▁J ockey ▁fans ites ▁in ▁the ▁past , ▁and ▁can ▁still ▁be ▁found ▁on ▁many ▁general ▁Windows ▁and ▁Direct X ▁troubles ho oting ▁sites . ▁ ▁The ▁installer ▁also ▁fails ▁to ▁install ▁the ▁game ▁on ▁Windows ▁ 2 0 0 0 ▁and ▁XP ▁systems , ▁requiring ▁either : ▁a ▁complete ▁dump ▁of ▁the ▁CD ▁onto ▁the ▁hard ▁disk , ▁as ▁well ▁as ▁movement ▁of ▁some ▁sound ▁files , ▁and ▁a ▁modified ▁registry ▁key , ▁or ▁a ▁spe cially ▁made ▁installer ▁made ▁by ▁fans ▁ ▁Once ▁installed , ▁Ro cket ▁J ockey ▁runs ▁without ▁reported ▁problems ▁under ▁these ▁newer ▁versions ▁of ▁the ▁Windows ▁OS . ▁ ▁The ▁custom ▁installer ▁with ▁the ▁L AN ▁patch ▁introdu