Dead rising Wii-how to unlock certain costume..

WII players only please if possible, thank youI looked on gamefaqs and found a costume with an interesting name..."Apolcalpse frank-kill 53,594 zombies"Seems easy enough-I spent all day making the required kills on hard-just to speed it up I used the maintanence tunnels.I past the number..nothing.I did 5 missions...nothing.Is this even in this game or just the 360 version?