Ƙirƙiri wani nau'i mai mahimmanci na wannan jumla Ƙungiyar " Sonic & Knuckles " ta ƙunshi " kulle-on " wanda ya ba shi damar zama a jiki a haɗe da sauran katunan Farawa.
Tabbas, mafi rikitarwa na jumla ita ce "'' Sonic & Knuckles'' cartridge yana da fasahar'kulle-kan'' wanda ke ba shi damar a haɗa shi da'''Sonic 3'' cartridge, ƙirƙirar wasan da aka haɗa,'' Sonic 3 & Knuckles '. "