▁game ▁is ▁for ▁Officer ▁Ke yst one ▁Kelly ▁to ▁catch ▁Harry ▁H ool igan ▁before ▁he ▁can ▁escape ▁from ▁a ▁department ▁store . ▁Ke yst one ▁Kap ers ▁was ▁written ▁by ▁Activ ision ▁designer ▁Gar ry ▁K itchen . ▁ ▁Game play ▁ ▁The ▁game ▁takes ▁place ▁on ▁a ▁side - view ▁display ▁of ▁a ▁three - story ▁department ▁store ▁and ▁its ▁roof . ▁The ▁store ▁is ▁eight ▁times ▁wider ▁than ▁the ▁portion ▁in ▁the ▁main ▁display , ▁and ▁the ▁screen ▁scroll s ▁to ▁the ▁left ▁or ▁right ▁when ▁the ▁player ▁reaches ▁the ▁edges . ▁Mov ement ▁between ▁the ▁levels ▁is ▁accomplished ▁by ▁es cal ators ▁located ▁at ▁altern ating ▁ends ▁of ▁the ▁map , ▁or ▁an ▁elev ator ▁in ▁the ▁center . ▁A ▁mini - map ▁at ▁the ▁bottom ▁of ▁the ▁screen ▁provides ▁and ▁overall ▁view ▁of ▁the ▁store ▁and ▁the ▁location ▁of ▁the ▁players . ▁ ▁The ▁player ▁controls ▁Officer ▁Ke yst one ▁Kelly ▁with ▁the ▁jo yst ick , ▁which ▁is ▁used ▁to ▁run ▁to ▁the ▁right ▁or ▁the ▁left ▁along ▁a ▁given ▁floor . ▁When ▁he ▁reaches ▁an ▁es cal ator ▁he ▁will ▁be ▁taken ▁up ▁to ▁the ▁next ▁floor . ▁Kelly ▁can ▁also ▁use ▁the ▁elev ator ▁in ▁the ▁center ▁of ▁the ▁map ▁to ▁move ▁up ▁and ▁down , ▁but ▁doing ▁so ▁requires ▁careful ▁timing ▁as ▁it ▁moves ▁on ▁its ▁own . ▁Kelly ▁begins ▁the ▁game ▁in ▁the ▁lower ▁right ▁on ▁the ▁first ▁floor , ▁and ▁normally ▁begins ▁running ▁to ▁the ▁left ▁to ▁reach ▁the ▁es cal ator