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We checked out another level of the Mario vs. Donkey Kong Wii U demo on the GDC 2014 show floor showcasing the abilities of Nintendo's Web Framework for Wii U eShop game development. The demo was produced by NST, but it's not confirmed to be a real game (though we wouldn't be surprised if it turns out to be).
Edited by Sorceror12, 19 March 2014 - 02:56 PM.