▁rules ▁for ▁such ▁online ▁matches ▁can ▁be ▁defined ▁in ▁order ▁to ▁modify ▁the ▁experience . ▁ ▁Also ▁new ▁to ▁the ▁series ▁is ▁the ▁ability ▁to ▁un lock ▁various ▁items ▁with ▁which ▁to ▁graph ically ▁custom ize ▁in - game ▁av at ars . ▁ ▁Other ▁improvements ▁include ▁high - resol ution ▁graphics , ▁now ▁rendered ▁( at ▁least ▁partially ) ▁in ▁ 3 D . ▁ ▁Development ▁The ▁story ▁for ▁C uld cept ▁S aga ▁was ▁written ▁by ▁Tow ▁U bu k ata , ▁a ▁science ▁fiction ▁and ▁an ime ▁author . ▁ ▁The ▁main ▁composer ▁for ▁the ▁game ' s ▁music ▁was ▁Ken ji ▁I to , ▁who ▁worked ▁previously ▁on ▁titles ▁such ▁as ▁those ▁in ▁the ▁Sa G a ▁series , ▁as ▁well ▁as ▁earlier ▁C uld cept ▁install ments . ▁ ▁The ▁massive ▁sound track ▁sp ans ▁ 4 ▁CD s , ▁and ▁while ▁not ▁released ▁outside ▁Japan ▁in ▁any ▁physical ▁format , ▁is ▁available ▁on ▁i T unes . ▁ ▁Card ▁art work ▁was ▁provided ▁by ▁a ▁large ▁number ▁of ▁different ▁artists ▁from ▁across ▁Japan , ▁each ▁using ▁their ▁own ▁style ▁and ▁imagination ▁to ▁come ▁up ▁with ▁appropriate ▁illustr ations . ▁ ▁The ▁time ▁required ▁for ▁the ▁artists ▁to ▁complete ▁their ▁work ▁and ▁then ▁have ▁the ▁images ▁imported ▁into ▁the ▁game ▁total led ▁over ▁a ▁year . ▁ ▁Re ception ▁ ▁C uld cept ▁S aga ▁has ▁sold ▁ 2 7 , 9 6 0 ▁copies ▁in ▁Japan ▁as ▁of ▁November ▁ 3 0 , ▁ 2 0 0