Nintendo rolls out 23 titles for the upcoming Wii U . System 's handheld game pad offers different perspectives . Score: 6 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 perspectives . New `` Super Mario , '' `` Batman Arkham City '' and `` Mass Effect '' titles are planned . Wii U is expected to be released this holiday season .