Nintendo rolls out 23 titles for the upcoming Wii U . It changes how you interact with your gaming friends . System 's handheld game pad offers different options . New ` ` for Mario , '' ` ` Batman Mystery City '' and ` ` Mass Effect '' titles are planned . Wii U is expected to be released this holiday season .
Nintendo rolls out 23 titles for the upcoming Wii U . System 's handheld game pad offers different options . New ` ` for Mario , '' ` ` Batman Mystery City '' and ` ` Mass Effect '' titles are planned . Wii U is expected to be released this holiday season .