ag uch i ▁to ▁just ▁program ▁the ▁design ▁concepts ▁so ▁he ▁did ▁not ▁have ▁to ▁explain ▁everything ▁to ▁Geb elli ▁in ▁detail . ▁Geb elli ▁was ▁also ▁responsible ▁for ▁creating ▁what ▁is ▁considered ▁to ▁be ▁the ▁first ▁R PG ▁min ig ame , ▁a ▁sl iding ▁puzz le , ▁which ▁he ▁added ▁into ▁the ▁game ▁despite ▁it ▁not ▁being ▁part ▁of ▁the ▁original ▁game ▁design . ▁Among ▁the ▁other ▁developers ▁were ▁graph ic ▁designer ▁Kaz uk o ▁Sh ib u ya , ▁program mers ▁Ki y oshi ▁Y osh ii ▁and ▁Ken ▁Nar ita , ▁as ▁well ▁as ▁debugger ▁H iro y uki ▁I to . ▁When ▁the ▁project ▁started ▁to ▁show ▁promise , ▁designer ▁Hir om ichi ▁Tan aka ▁and ▁his ▁" B - Team " ▁joined ▁to ▁aid ▁development . ▁The ▁lack ▁of ▁faith ▁in ▁Sak ag uch i ' s ▁team , ▁as ▁well ▁as ▁its ▁un pop ular ity ▁within ▁the ▁company , ▁motiv ated ▁the ▁staff ▁members ▁to ▁give ▁their ▁best . ▁ ▁Release ▁Sak ag uch i ▁took ▁an ▁in - development ▁R OM ▁of ▁the ▁game ▁to ▁Japanese ▁magazine ▁Fam ic om ▁Ts ush in , ▁but ▁it ▁would ▁not ▁review ▁it . ▁However , ▁Fam its u ▁gave ▁the ▁game ▁extensive ▁coverage . ▁Initial ly , ▁only ▁ 2 0 0 , 0 0 0 ▁copies ▁were ▁to ▁be ▁sh ipped , ▁but ▁Sak ag uch i ▁ple aded ▁with ▁the ▁company ▁to ▁make ▁ 4 0 0 , 0 0 0 ▁to ▁help ▁spawn