Nintendo made an annual operating loss for the third consecutive year in 2013, ending up ¥46.4 billion in the red as Wii U sales failed to pick up following the holiday season. Total Wii U sales now stand at 6.17 million consoles worldwide, meaning that Nintendo sold just 310,000 in the quarter ended March 31st — a 20 percent drop on its performance a year ago. PS4 has already overtaken the Wii U Sony has already overtaken the Wii U despite Nintendos year-long head start.