Marji invents a series of games in which she and her childhood friends pretend to…

Marji invents a series of games in which she and her childhood friends pretend to torture one another.   Why does Marji feel impelled to invent these torture games? What psychological purpose might they serve?  Does her invention of the games reflect that Marji has become a malicious person? Or do the games amount to an attempt to manage the experience of being exposed to traumatic violence