ˌɛsjˌuːˈɛn ˈɔːlsoʊ ɐlˈaʊd plˈeɪɚz tə stɹətˈiːdʒɪkli sˈɛt ðə stˈeɪdʒ fɔːɹ bˈæɾəlz baɪ tʃˈuːzɪŋ dˈɪfɹənt tˈaɪps ʌv mˈæps, ˈɛntɹi nˈʌmbɚz, dᵻɡɹˈiːz ʌv dˈɪfɪkˌʌlti ænd tˈaɪps ʌv mˈɔnstɚz fɚɹə kˈʌstəmˌaɪzd ɡˈeɪm plˈeɪ ɛkspˈiəɹɪəns.
SUN also allowed players to strategically set the stage for battles by choosing different types of maps, entry numbers, degrees of difficulty and types of monsters for a customized game play experience.