Wild Arms 4, known in Japan as Wild Arms the 4th Detonator, is a role-playing video game developed by Media.Vision and published by Sony Computer Entertainment for the PlayStation 2. It is the fourth installment in the Wild Arms video game series. It was released in March 2005 in Japan, January 2006 in North America by Xseed Games and PAL territories in 2006 by 505 Game Street.