Ƙirƙiri wani nau'i mai mahimmanci na wannan jumla An sanya tsarin wasan XXVC, ta yin amfani da ka'idojin'' Dungeons & Dragons 2nd Edition'tare da wasu ƙananan bambance-bambance.
Tabbas, sigar da ta fi rikitarwa ta jumla ita ce "Saboda haka an yi saitin wasan XXVC, ta amfani da 'Dungeons & Dragons 2nd Edition' dokoki tare da wasu ƙananan bambance-bambance, an saita su a cikin sabon sigar duniyar Buck Rogers. "