The Challenge%3A Total Madness' (8 letters) 2018 Reality Series can be summarized as two popular shows, Castaways and The Challenge: Total Madness. Castaways is a show that follows a group of strangers who are stranded on an island and must survive with limited resources. The Challenge: Total Madness is a competition show where contestants compete in physical and mental challenges for a cash prize. Both shows aired in 2018 and were popular among viewers.