▁combined ▁total ▁of ▁two ▁million ▁copies ▁world wide . ▁ ▁Game play ▁Final ▁Fant asy ▁has ▁four ▁basic ▁game ▁modes : ▁an ▁over world ▁map , ▁town ▁and ▁d unge on ▁maps , ▁a ▁battle ▁screen , ▁and ▁a ▁menu ▁screen . ▁The ▁over world ▁map ▁is ▁a ▁scale d - down ▁version ▁of ▁the ▁game ' s ▁fict ional ▁world , ▁which ▁the ▁player ▁uses ▁to ▁direct ▁characters ▁to ▁various ▁locations . ▁The ▁primary ▁means ▁of ▁travel ▁across ▁the ▁over world ▁is ▁by ▁foot ; ▁a ▁ship , ▁a ▁can oe , ▁and ▁an ▁air ship ▁become ▁available ▁as ▁the ▁player ▁progress es . ▁With ▁the ▁exception ▁of ▁some ▁batt les ▁in ▁pres et ▁locations ▁or ▁with ▁b oss es , ▁enemies ▁are ▁randomly ▁encountered ▁on ▁field ▁maps ▁and ▁on ▁the ▁over world ▁map ▁when ▁travel ing ▁by ▁foot , ▁can oe , ▁or ▁ship , ▁and ▁must ▁either ▁be ▁fought ▁or ▁fled ▁from . ▁ ▁The ▁game ' s ▁plot ▁develop s ▁as ▁the ▁player ▁progress es ▁through ▁towns ▁and ▁d unge ons . ▁Some ▁town ▁citizens ▁offer ▁helpful ▁information , ▁while ▁others ▁own ▁sh ops ▁that ▁sell ▁items ▁or ▁equipment . ▁Dun ge ons ▁appear ▁in ▁areas ▁that ▁include ▁for ests , ▁c aves , ▁mountains , ▁sw amps , ▁under water ▁ca ver ns , ▁and ▁buildings . ▁Dun ge ons ▁often ▁have ▁tre asure ▁ch ests ▁containing ▁rare ▁items ▁that ▁are ▁not ▁available ▁in ▁most ▁stores . ▁The ▁game ' s ▁menu ▁screen ▁allows ▁the ▁player ▁to ▁keep